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[#1]
After about 20 solid hours of data entry, the rail section is more than halfway updated with the new / additional data. Making progress! I think once that's done I'm going to make a post in the GD to see if we can't increase awareness of the PWD. If like to get the user base built to the point where it's realistic for it to be largely self sustaining.
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Dean Winchester wishes he was this cool
MD, USA
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[#2]
Originally Posted By jekbrown:
After about 20 solid hours of data entry, the rail section is more than halfway updated with the new / additional data. Making progress! I think once that's done I'm going to make a post in the GD to see if we can't increase awareness of the PWD. If like to get the user base built to the point where it's realistic for it to be largely self sustaining. View Quote Knowing how many in GD conduct themselves, I would urge caution against posting openly in there about it. Maybe throw the post in Team instead. |
Cunnilingus aside, that is fucking awesome.
--secretwheelman Perfection can't be achieved from inside the rattle can. --RTUtah |
[#3]
Originally Posted By ArmedFerret:
Knowing how many in GD conduct themselves, I would urge caution against posting openly in there about it. Maybe throw the post in Team instead. View Quote View All Quotes View All Quotes Originally Posted By ArmedFerret:
Originally Posted By jekbrown:
After about 20 solid hours of data entry, the rail section is more than halfway updated with the new / additional data. Making progress! I think once that's done I'm going to make a post in the GD to see if we can't increase awareness of the PWD. If like to get the user base built to the point where it's realistic for it to be largely self sustaining. Knowing how many in GD conduct themselves, I would urge caution against posting openly in there about it. Maybe throw the post in Team instead. agreed. GD will trash the thread |
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WANTED: Clear or Smoked PMAG and Rare Larue Tactical DIllos. PM me
TN Squire |
Dean Winchester wishes he was this cool
MD, USA
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[#4]
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Cunnilingus aside, that is fucking awesome.
--secretwheelman Perfection can't be achieved from inside the rattle can. --RTUtah |
[#5]
Every few days I save a private unshared copy.
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Own AR parts and a scale? Support the arfcom parts weights database. Please! http://www.ar15.com/forums/t_3_118/707652_AR-Parts-Weights-Database.html
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[#6]
Any data out there on what trigger groups weigh? I have data on Geissele, AR Gold, Wilson TTU, Timney and a few others I've owned, but if there's more...
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[#7]
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WANTED: Clear or Smoked PMAG and Rare Larue Tactical DIllos. PM me
TN Squire |
[#8]
Originally Posted By SOCOM76:
Any data out there on what trigger groups weigh? I have data on Geissele, AR Gold, Wilson TTU, Timney and a few others I've owned, but if there's more... View Quote Yeah, the trigger portion of the PWD is pretty enemic thus far, I admit. To be honest it's not an area most people look to dump weight. Still, it could be a lot better. Any and all new data is appreciated! |
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[Last Edit: jerrysimons]
[#9]
Is the link on the first post the current PWD? Er, wrong thread I went to the one in your signature
http://www.ar15.com/forums/t_3_118/707652_AR-Parts-Weights-Database.html I have weights on a lot of stuff in my ultralight and uberlight threads on TOS. |
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[#10]
The one in my signature is the one and only PWD. I tried to get the OP to add it to his post, but he hasn't responded your some reason. I'm also going to try to get an admin to sticky it somewhere. I think it's a useful resource, especially as it's grown. I've got over 1000 rail systems in it alone, now, and it keeps growing. It also answers a lot of non-weight related questions. I'm going to post up about it in Team and maybe even GD soon, hopefully that'll boost participation and interest in making it a sticky.
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Own AR parts and a scale? Support the arfcom parts weights database. Please! http://www.ar15.com/forums/t_3_118/707652_AR-Parts-Weights-Database.html
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[Last Edit: Wmcray]
[#11]
Thanks Jekbrown for the spreadsheet work!!
I have had this idea for a while now on a spreadsheet for cost per grams saved. No time here to do all the work and not suggesting anyone should take it on. Maybe just some of the best savings per dollar vs some of the worst. Example. Aim lightweight BCG $110, 252g PSA premium $90, 328g 76g saved $30 more than average BCG = 40 cents per gram. If bought outright and not subtracting the cost of average BCG $1.45 per gram saved. Another example KMR barrel nut. BCM nut 45g V7 Titanium nut 26g $57 19g saved $57 = $3 per gram saved. Example of a more costly grams per dollar. BCM KMR clamp block 9.5g V7 KMR Titanium clamp block $35 5.5g 4g saved = $8.75 per gram saved. Some of my math may be off as well as shipping and actual prices vary. BTW in stock AIM lightweight nitride |
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[#12]
I'm not a Google sheets guru, but I presume that it has at least limited formula capabilities. All we'd need is a MSRP column and we could at least produce a $/oz column from existing data...
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Own AR parts and a scale? Support the arfcom parts weights database. Please! http://www.ar15.com/forums/t_3_118/707652_AR-Parts-Weights-Database.html
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[#13]
Originally Posted By jekbrown:
I'm not a Google sheets guru, but I presume that it has at least limited formula capabilities. All we'd need is a MSRP column and we could at least produce a $/oz column from existing data... View Quote BCG would be easy because there are similar weights and prices for a well known milspec quality product. It would be more complicated when it comes to barrels and handguards. What is a starting point for weight and cost to figure grams per dollar saved? Since this is a lightweight thread I would think that a average pencil barrel weighing 1lb 8oz around $100 shipped. Example Budget pencil barrel Then figure the cost for lighter more expensive barrels. Faxon 16" pencil barrel $170 140g saved =$1.21 per gram saved over a $100 1lb 8oz barrel. Just cost per gram Faxon $3.20 per gram at $170 Spinta $ 0.12 per gram at $80 Your buying more weight here for less money. Not exact weights figured here. |
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[Last Edit: JerDerv]
[#14]
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[Last Edit: JerDerv]
[#15]
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[#16]
Originally Posted By jekbrown:
Yeah, the trigger portion of the PWD is pretty enemic thus far, I admit. To be honest it's not an area most people look to dump weight. Still, it could be a lot better. Any and all new data is appreciated! View Quote Interesting considering that triggers can slightly reduce, or add a substantial amount of weight in a lightweight build. Using a mil-spec trigger group as the baseline, which weighs 2.36oz, it obviously goes up and down from there. According to my scale: Timney Standard 2.35oz Wilson TTU-3G 2.82oz AR Gold 2.6oz CMC 4oz TriggerTech Adjustable 2.27oz Geissele SSA-E 2.20oz Geissele Hi-Speed NM 2.25oz Unless the trigger came with proprietary pins, the weight listed excludes pins. I've had several other triggers, but unfortunately, didn't start collecting data until early 2014 when the lightweight craze started. |
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[#17]
Triggers weighed without pins or springs
LaRue MBT-2S 2.35 ounces Rock River 2 stage 2.2 ounces Geissee SSA 1.975 ounces |
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[#18]
Originally Posted By JerDerv:
New stock setup. AR10 buffer tube and a bad lbs replica. After modification, the buffer tube weighs 3.4oz and the buttstock weighs 2.6oz with the screw. I still need to make up a spacer for the inside of the tube so that the carrier doesn't over travel. http://i.imgur.com/YqpFr1a.jpg http://i.imgur.com/ByyDvGl.jpg http://i.imgur.com/7TJ1u4j.jpg 7 5/8" from back of stock to receiver. View Quote Ok. I will bite. What are you using to machine your parts down since I IM'd you about the buffer and you said you did not have a mill. Your cuts and machined parts looks super nice and flat! Spill the beans! |
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WANTED: Clear or Smoked PMAG and Rare Larue Tactical DIllos. PM me
TN Squire |
[#19]
yeah, if you've got the mill anyway, might as well add some speed holes to the stock/plate, no?
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Own AR parts and a scale? Support the arfcom parts weights database. Please! http://www.ar15.com/forums/t_3_118/707652_AR-Parts-Weights-Database.html
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[#20]
Aluminum KMR barrel nut update time!
We made some minor design changes to our original prototype and ran a second round on Thursday which included said changes. The original O.D. was too large, at least when trying to fit it to a 13" KMR-A. Weight is hovering around 16 grams, factory BCM is 45 grams. Sorry, no pictures yet. Once I get the protos that fit done, I will post pictures. Lastly, I do have a favor to ask those that have KMR's, whether they be the original or Alpha. Could you please measure, with a set of calipers, the I.D. of where the barrel nut goes? The rail I bought yesterday(yes, I finally got one for myself, thanks to y'all! ) has an I.D. of 1.362" and the barrel nut is 1.365" so it has to be crammed in there but it goes. I personally like the interference-fit but I wanted to check to see if anyone else has experienced this. I know it's taken a while but with our families, day jobs and just life in general, this hasn't gone as fast as either myself or my machinist friend would have hoped. Thank you all for sticking with me, we're on the back stretch now! |
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[#22]
Originally Posted By stitchclimber:
Aluminum KMR barrel nut update time! We made some minor design changes to our original prototype and ran a second round on Thursday which included said changes. The original O.D. was too large, at least when trying to fit it to a 13" KMR-A. Weight is hovering around 16 grams, factory BCM is 45 grams. Sorry, no pictures yet. Once I get the protos that fit done, I will post pictures. Lastly, I do have a favor to ask those that have KMR's, whether they be the original or Alpha. Could you please measure, with a set of calipers, the I.D. of where the barrel nut goes? The rail I bought yesterday(yes, I finally got one for myself, thanks to y'all! ) has an I.D. of 1.362" and the barrel nut is 1.365" so it has to be crammed in there but it goes. I personally like the interference-fit but I wanted to check to see if anyone else has experienced this. I know it's taken a while but with our families, day jobs and just life in general, this hasn't gone as fast as either myself or my machinist friend would have hoped. Thank you all for sticking with me, we're on the back stretch now! View Quote I have been tearing my gun room apart looking for my caliper! I have the upper disassembled right now and the kmr rail and titanium barrel nut are just sitting there waiting to get measured for you. Once again. Thank you for taking this on! |
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WANTED: Clear or Smoked PMAG and Rare Larue Tactical DIllos. PM me
TN Squire |
[#23]
Originally Posted By JerDerv:
Hahaha I promis I don't have a mill. with the right tools and a lot of patients you can get great results by hand. I literally used a hacksaw to remove the bulk of the material. Surface finishing started with a rough file then sand paper on a block to keep things uniform. Increased grit until the desired surface finish was achieved. A vise to hold your work also makes a big difference. Here is the chunk I cut off. https://i.imgur.com/nXgoiSeh.jpg View Quote View All Quotes View All Quotes Originally Posted By JerDerv:
Originally Posted By Jwood562:
Ok. I will bite. What are you using to machine your parts down since I IM'd you about the buffer and you said you did not have a mill. Your cuts and machined parts looks super nice and flat! Spill the beans! Hahaha I promis I don't have a mill. with the right tools and a lot of patients you can get great results by hand. I literally used a hacksaw to remove the bulk of the material. Surface finishing started with a rough file then sand paper on a block to keep things uniform. Increased grit until the desired surface finish was achieved. A vise to hold your work also makes a big difference. Here is the chunk I cut off. https://i.imgur.com/nXgoiSeh.jpg Ok. Since I don't have a mill or find a shop to do my dirty work I might follow your foot steps! Awesome work brother. How did you do the buffer cuts though? |
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WANTED: Clear or Smoked PMAG and Rare Larue Tactical DIllos. PM me
TN Squire |
[#24]
Originally Posted By stitchclimber:
Aluminum KMR barrel nut update time! We made some minor design changes to our original prototype and ran a second round on Thursday which included said changes. The original O.D. was too large, at least when trying to fit it to a 13" KMR-A. Weight is hovering around 16 grams, factory BCM is 45 grams. Sorry, no pictures yet. Once I get the protos that fit done, I will post pictures. Lastly, I do have a favor to ask those that have KMR's, whether they be the original or Alpha. Could you please measure, with a set of calipers, the I.D. of where the barrel nut goes? The rail I bought yesterday(yes, I finally got one for myself, thanks to y'all! ) has an I.D. of 1.362" and the barrel nut is 1.365" so it has to be crammed in there but it goes. I personally like the interference-fit but I wanted to check to see if anyone else has experienced this. I know it's taken a while but with our families, day jobs and just life in general, this hasn't gone as fast as either myself or my machinist friend would have hoped. Thank you all for sticking with me, we're on the back stretch now! View Quote OK found my digital caliper. the ID of my 9" KMR (non alpha) ranges from 1.360-1.365, depending on where it is placed. The V7 titanium barrel nut measures 1.363-1.365 |
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WANTED: Clear or Smoked PMAG and Rare Larue Tactical DIllos. PM me
TN Squire |
[#25]
Weird question: how much weight, roughly, does a Krylon job add to an average AR?
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[#26]
I'm not sure if I've ever heard of anyone weighing their AR before/after a rattle can paint job. Obviously the paint has some weight, but there are sooo many factors at play (final paint thickness, AR configuration, etc.) that for the data to be useful you'd probably have to spray a bunch of guns and avg. the before/after weights to even approach useful info. Cerakote seems to be much thinner, so if I was absolutely dead set on both adding color AND keeping weight down, that'd prolly be the way I'd go.
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Own AR parts and a scale? Support the arfcom parts weights database. Please! http://www.ar15.com/forums/t_3_118/707652_AR-Parts-Weights-Database.html
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[#27]
Don't forget to scrub your barrel. those pesky copper deposits will weigh your gun down.
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[#28]
Originally Posted By Jwood562:
OK found my digital caliper. the ID of my 9" KMR (non alpha) ranges from 1.360-1.365, depending on where it is placed. The V7 titanium barrel nut measures 1.363-1.365 View Quote Thank you for that! I had a couple other good folks let me know that mine was not out of normal either. We're going to leave them tight so the rail may have to be lightly tapped on with a rubber gunsmith hammer. I'm recommending using a little heat on the barrel nut end of the rail either with a heat gun, hair dryer or hot water. Okay, here's the part you've all been waiting for... They were sent off to anodize today! I should see them back in my hands on Monday or Tuesday of next week! Oh, and weight will come in at 16 grams, yeah!! |
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Dean Winchester wishes he was this cool
MD, USA
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[#29]
Originally Posted By Curare:
Weird question: how much weight, roughly, does a Krylon job add to an average AR? View Quote If you want a lightweight finish, go with molyresin. Yes I know it's not the super whizbang zomg cerakote internet buzzword coating, but the shit plain WORKS, and works *REALLY* well. It also goes on thinner than cerakote, and lasts a HELL of a lot longer. I have several AK's coated in it and they've been abused like no other. Some wear on the rails where the carrier rides, as well as the standard smile from the selector lever. That's about it. Meanwhile my two cerakoted ARs have plenty of finish wear and i'm not even that hard on them....and i've owned them for maybe 2 years now, as opposed to the 12 or so on the moly'd AKs. Cerakote is neat and fun and all, but it's not NEARLY as wear-resistent as molyresin. At least not in my real-world experience (which admittedly isn't the same as advertising and marketing pamphlets). |
Cunnilingus aside, that is fucking awesome.
--secretwheelman Perfection can't be achieved from inside the rattle can. --RTUtah |
[#30]
Originally Posted By jekbrown:
I'm not sure if I've ever heard of anyone weighing their AR before/after a rattle can paint job. Obviously the paint has some weight, but there are sooo many factors at play (final paint thickness, AR configuration, etc.) that for the data to be useful you'd probably have to spray a bunch of guns and avg. the before/after weights to even approach useful info. Cerakote seems to be much thinner, so if I was absolutely dead set on both adding color AND keeping weight down, that'd prolly be the way I'd go. View Quote Chenault, in the Mk12 thread, reported that his rifle shed 1.5 pounds when he stripped the paint off of it. That's significant when we're talking 4# builds. Guess I'm going with good ol' black. |
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Dean Winchester wishes he was this cool
MD, USA
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[#31]
Originally Posted By Curare:
Chenault, in the Mk12 thread, reported that his rifle shed 1.5 pounds when he stripped the paint off of it. That's significant when we're talking 4# builds. Guess I'm going with good ol' black. View Quote you may also want to look into how many times he sprayed over the existing finish, and how many layers to get the pattern he had. his isn't exactly the best example (and he also sprayed bipod, optics, etc.). but hey feel free to use a single rifle with a *LOT* of unmentioned factors completely steer your decision-making process. |
Cunnilingus aside, that is fucking awesome.
--secretwheelman Perfection can't be achieved from inside the rattle can. --RTUtah |
[#32]
1.5lbs of paint?! I honestly find that hard to believe
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WANTED: Clear or Smoked PMAG and Rare Larue Tactical DIllos. PM me
TN Squire |
Dean Winchester wishes he was this cool
MD, USA
|
[#33]
Originally Posted By Jwood562:
1.5lbs of paint?! I honestly find that hard to believe View Quote he never stripped it for a VERY long time and over the course of NUMEROUS paint jobs. it was pretty dang thick in a lot of places. honestly, i could believe it. it's ridiculous, but like i said he just sprayed a new coat over what was already there to change it up now and then. |
Cunnilingus aside, that is fucking awesome.
--secretwheelman Perfection can't be achieved from inside the rattle can. --RTUtah |
[#34]
Originally Posted By stitchclimber:
Thank you for that! I had a couple other good folks let me know that mine was not out of normal either. We're going to leave them tight so the rail may have to be lightly tapped on with a rubber gunsmith hammer. I'm recommending using a little heat on the barrel nut end of the rail either with a heat gun, hair dryer or hot water. Okay, here's the part you've all been waiting for... They were sent off to anodize today! I should see them back in my hands on Monday or Tuesday of next week! Oh, and weight will come in at 16 grams, yeah!! View Quote Thanks brother ONCE Again! I am going out of town and off the grid this week. Bumping this thread up and also letting you know That I will take two. Lock me in. I might not be able to send payment asap, but lock me in! |
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WANTED: Clear or Smoked PMAG and Rare Larue Tactical DIllos. PM me
TN Squire |
[#35]
Originally Posted By Jwood562:
Thanks brother ONCE Again! I am going out of town and off the grid this week. Bumping this thread up and also letting you know That I will take two. Lock me in. I might not be able to send payment asap, but lock me in! View Quote View All Quotes View All Quotes Originally Posted By Jwood562:
Originally Posted By stitchclimber:
Thank you for that! I had a couple other good folks let me know that mine was not out of normal either. We're going to leave them tight so the rail may have to be lightly tapped on with a rubber gunsmith hammer. I'm recommending using a little heat on the barrel nut end of the rail either with a heat gun, hair dryer or hot water. Okay, here's the part you've all been waiting for... They were sent off to anodize today! I should see them back in my hands on Monday or Tuesday of next week! Oh, and weight will come in at 16 grams, yeah!! Thanks brother ONCE Again! I am going out of town and off the grid this week. Bumping this thread up and also letting you know That I will take two. Lock me in. I might not be able to send payment asap, but lock me in! I'm in for one also. |
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[#36]
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Own AR parts and a scale? Support the arfcom parts weights database. Please! http://www.ar15.com/forums/t_3_118/707652_AR-Parts-Weights-Database.html
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[#38]
Discounts available for anyone buying more than one?
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[Last Edit: stitchclimber]
[#39]
Originally Posted By SOCOM76:
Discounts available for anyone buying more than one? View Quote Well, I was going to sell them for $55 each but goofed and quoted $50 to some folks. It wouldn't be fair to ask for more money from some than others so I'm going to do them for $50 each to folks in this thread. Of course, shipping is included, no matter how many. One caveat though, I must require that everyone who stated they were in, absolutely gets their original requested amount and then folks can buy additional ones above what they requested after those have been filled. That make sense? Makes sense in my head but well, it's kind of crazy up there at the moment... |
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[#40]
Have I missed it or has there been any talk of lightweight slings and attachment methods?
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Dean Winchester wishes he was this cool
MD, USA
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[#41]
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Cunnilingus aside, that is fucking awesome.
--secretwheelman Perfection can't be achieved from inside the rattle can. --RTUtah |
[#42]
The Way of The Gun sling is the most minimalistic sling I know of.
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[#43]
Originally Posted By larrys:
Have I missed it or has there been any talk of lightweight slings and attachment methods? View Quote I haven't seen much talk of it in here, funny thing about sling weight is that it doesn't really contribute to the weight of the gun when slung. If the rifle and sling are attached to a backpack then weight should be considered. Im personally running a blue force vickers without pad and with ALG forged aluminum QDs on each end. (I spent freaking $64 on QD sling swivels lol... sometimes i wonder.) |
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[#44]
forged AL QDs....now that's dedication to the lightweight cause right there. Love it.
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Own AR parts and a scale? Support the arfcom parts weights database. Please! http://www.ar15.com/forums/t_3_118/707652_AR-Parts-Weights-Database.html
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[#45]
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[#46]
Of the four slings I own, the Vickers is the lightest.
W/O QD ends, the Vickers sling weighs 121 grams. The only QD swivel ends I have that aren't attached to slings, are Troy SS that weigh 27 grams each, so the whole thing is 175g ( 6.17oz ) |
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[#47]
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[#48]
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[Last Edit: JerDerv]
[#49]
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[#50]
Originally Posted By stitchclimber:
Oh, believe me, you're locked in! Travel safely and thank you for all your help and support! Absolutely, got you down! Thanks! I'm planning to sell the first 20-30 to folks in this here thread to pay for the initial cost so I can get my investment back, then register a business with my machinist buddy based on lightweight parts(as long as I can get my money back)! Regarding the KMR nuts, this is who's either posted or contacted me and many they want. SOCOM76 x 1 Jwood562 x 2 vallopez2000 x 1 shootsenmeister x 1 (tentative) ahrion x 3-4 (tentative) Jwood562 x 1 Wmcray x 2 DekNgo x 1 Tempaccess x 1 WantsAnRRA x ? Nada-Nada x 1 Spartikis x 1 If you don't see your name or you want your total changed, please EMAIL me about it. Thank you all for your help and encouragement! And and finally, photos of protos: http://imageshack.com/a/img924/9954/ZkPrUt.jpg http://imageshack.com/a/img922/9729/pTPh0q.jpg http://imageshack.com/a/img924/4176/eKkfhn.jpg View Quote This $50 B-Nut now has me building another upper...which I can only pray will stay at just an upper and not another rifle. |
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