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Posted: 1/14/2016 8:35:30 PM EDT
[#1]
Quote HistoryQuoted:
@headlifeguard I too would highly recommend getting a lighter 2 stage trigger like the RRA mentioned above! It will increase your ability to bumpfire. - Clint I use a Geissele HSNM trigger in the video below  https://youtu.be/muZ1x5JP2zAQuote HistoryQuoted:
Quoted:
My guess is your muzzle brake is fairly effective and when combined with the stock trigger your not getting enough recoil to reset the trigger. Reset on some of the stock triggers can be pretty long. You might try an RRA 2 stage, Rise Armament single stage, JARD adjustable or other aftermarket trigger to make it easier to bump. You might also just take the muzzle brake off and see what that changes. @headlifeguard I too would highly recommend getting a lighter 2 stage trigger like the RRA mentioned above! It will increase your ability to bumpfire. - Clint I use a Geissele HSNM trigger in the video below https://youtu.be/muZ1x5JP2zASo a standard trigger won't work with a bumpsaw? |
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Posted: 1/14/2016 8:39:35 PM EDT
[#2]
I don't know how or why my iphone 6 wont upload vids in HD, but here's two I shot today. First vid is the rifle 100% stock, mil spec. The second one is after I changed out to the AIM Surplus lightweight BCG,
https://youtu.be/Z7unlVZ7TLg 
https://youtu.be/hE1E73iyCCQ
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Posted: 1/14/2016 8:54:15 PM EDT
[#3]
Quote HistoryQuoted:
Whatever became of this one? Quote HistoryQuoted:
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Here is where I am at on it, still trying to figure some stuff out. http://i120.photobucket.com/albums/o177/warhound_01/bump%20saw_zpsnunvfzou.jpg Whatever became of this one? Life keeps getting in the way. Never got it to a place I was happy with it, so it's been sitting on the back burner. 
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Posted: 1/14/2016 8:57:12 PM EDT
[#4]
Quote HistoryQuoted:
I don't know how or why my iphone 6 wont upload vids in HD, but here's two I shot today. First vid is the rifle 100% stock, mil spec. The second one is after I changed out to the AIM Surplus lightweight BCG, https://youtu.be/Z7unlVZ7TLg https://youtu.be/Z7unlVZ7TLg
https://youtu.be/hE1E73iyCCQ https://youtu.be/hE1E73iyCCQHoly hot hell, that was great on both runs! The LW definitely sounded faster though. |
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Posted: 1/14/2016 8:58:02 PM EDT
[#5]
Quote HistoryQuoted:
So a standard trigger won't work with a bumpsaw? Quote HistoryQuoted:
Quoted:
Quoted:
My guess is your muzzle brake is fairly effective and when combined with the stock trigger your not getting enough recoil to reset the trigger. Reset on some of the stock triggers can be pretty long. You might try an RRA 2 stage, Rise Armament single stage, JARD adjustable or other aftermarket trigger to make it easier to bump. You might also just take the muzzle brake off and see what that changes. @headlifeguard I too would highly recommend getting a lighter 2 stage trigger like the RRA mentioned above! It will increase your ability to bumpfire. - Clint I use a Geissele HSNM trigger in the video below https://youtu.be/muZ1x5JP2zASo a standard trigger won't work with a bumpsaw? It will run OK. The only trouble I have had with the normal plain jane triggers in the in long disconnector. |
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Posted: 1/14/2016 9:42:18 PM EDT
[#6]
Quote HistoryQuoted: So a standard trigger won't work with a bumpsaw? Quote HistoryQuoted: Quoted: Quoted: My guess is your muzzle brake is fairly effective and when combined with the stock trigger your not getting enough recoil to reset the trigger. Reset on some of the stock triggers can be pretty long. You might try an RRA 2 stage, Rise Armament single stage, JARD adjustable or other aftermarket trigger to make it easier to bump. You might also just take the muzzle brake off and see what that changes. @headlifeguard I too would highly recommend getting a lighter 2 stage trigger like the RRA mentioned above! It will increase your ability to bumpfire. - Clint I use a Geissele HSNM trigger in the video below https://youtu.be/muZ1x5JP2zASo a standard trigger won't work with a bumpsaw? |
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Posted: 1/14/2016 9:44:43 PM EDT
[#7]
Would using something like the JP Enterprises reduced power or enhanced reliability spring( http://www.brownells.com/rifle-parts/triggers-parts/trigger-hardware/trigger-springs/ar-15-reduced-power-spring-kit-prod7582.aspx http://www.brownells.com/rifle-parts/triggers-parts/trigger-hardware/trigger-springs/ar-15-reduced-power-spring-kit-prod7582.aspx ) or this one http://www.taylor-tactical-supply.com/AR15-Reduced-Hammer-Spring-p/ar15-hammer-spring.htm make it easier to use? I can't afford a new trigger right now,might be after taxes before I can get one.
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Posted: 1/14/2016 9:44:49 PM EDT
[#8]
Quote HistoryQuoted: I don't know how or why my iphone 6 wont upload vids in HD, but here's two I shot today. First vid is the rifle 100% stock, mil spec. The second one is after I changed out to the AIM Surplus lightweight BCG, https://youtu.be/Z7unlVZ7TLg https://youtu.be/Z7unlVZ7TLghttps://youtu.be/hE1E73iyCCQ https://youtu.be/hE1E73iyCCQ |
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Posted: 1/14/2016 10:01:12 PM EDT
[#9]
Quote HistoryQuoted:
Would using something like the JP Enterprises reduced power or enhanced reliability spring( http://www.brownells.com/rifle-parts/triggers-parts/trigger-hardware/trigger-springs/ar-15-reduced-power-spring-kit-prod7582.aspx http://www.brownells.com/rifle-parts/triggers-parts/trigger-hardware/trigger-springs/ar-15-reduced-power-spring-kit-prod7582.aspx ) or this one http://www.taylor-tactical-supply.com/AR15-Reduced-Hammer-Spring-p/ar15-hammer-spring.htm make it easier to use? I can't afford a new trigger right now,might be after taxes before I can get one. Yes, I think it would work pretty good. The stock trigger works enough for you to have a good time. |
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Posted: 1/14/2016 10:02:24 PM EDT
[#10]
Dat 60 though...
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Posted: 1/14/2016 10:31:14 PM EDT
[#11]
Quote HistoryQuoted: I don't know how or why my iphone 6 wont upload vids in HD, but here's two I shot today. Give them a little while. Sometimes its not HD right off the bat. |
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Posted: 1/14/2016 10:34:06 PM EDT
[#12]
Ok, gotta ask. Has anyone done a modified bump-fire stock for the M249 yet? Or am I gonna have to wait longer till I hear about it?
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Posted: 1/14/2016 10:55:12 PM EDT
[#13]
Quote HistoryQuoted:
Ok, gotta ask. Has anyone done a modified bump-fire stock for the M249 yet? Or am I gonna have to wait longer till I hear about it? $7k is just too much money for me to experiment on.... But if FN USA wants to send me one for review, I'll give it a shot!!! 
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Posted: 1/15/2016 12:26:23 AM EDT
[#14]
Quote HistoryQuoted:
$7k is just too much money for me to experiment on.... But if FN USA wants to send me one for review, I'll give it a shot!!! Quote HistoryQuoted:
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Ok, gotta ask. Has anyone done a modified bump-fire stock for the M249 yet? Or am I gonna have to wait longer till I hear about it? $7k is just too much money for me to experiment on.... But if FN USA wants to send me one for review, I'll give it a shot!!! I plan on doing it but it might take me a year to save up for the M249 lol. My Defendar15 stock would probably look pretty good on it. |
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Posted: 1/15/2016 9:55:56 AM EDT
[#15]
Quote HistoryQuoted: Ok, gotta ask. Has anyone done a modified bump-fire stock for the M249 yet? Or am I gonna have to wait longer till I hear about it? Send her to me & I'll build you one of Lego...
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Posted: 1/15/2016 9:57:41 AM EDT
[#16]
Quote HistoryYour ersatz 249 looks simultaneously awesome and a hand burn waiting to happen. You need a piston setup up top. |
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Posted: 1/15/2016 1:07:33 PM EDT
[#17]
Quote HistoryQuoted:
Your ersatz 249 looks simultaneously awesome and a hand burn waiting to happen. You need a piston setup up top. Quote HistoryQuoted:
Your ersatz 249 looks simultaneously awesome and a hand burn waiting to happen. You need a piston setup up top. 
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Posted: 1/15/2016 1:51:10 PM EDT
[#18]
To everyone thinking about getting a M249S semi auto and turning it into a #bumpsaw... I did some looking and if you have the "Savit Multi postion" stock tube it is the same size as a standard milspec M4 style stock. So you may be able to do one of the homebrew style bumpstocks...
- Clint |
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Posted: 1/15/2016 2:42:28 PM EDT
[#19]
Does anyone have knowledge on what you need to put a bumpfire stock on an AES10B RPK?
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Posted: 1/15/2016 3:55:35 PM EDT
[#20]
Quote HistoryQuoted:
Does anyone have knowledge on what you need to put a bumpfire stock on an AES10B RPK? Funny story... SkilletsUSMC and myself were discussing this earlier this week. short answer... I'm not sure it's entirely unpossible.. 
The heavy trigger pull could make it difficult to bump easy in my opinion... - Clint |
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Posted: 1/15/2016 4:18:11 PM EDT
[#21]
Quote HistoryQuoted:
Funny story... SkilletsUSMC and myself were discussing this earlier this week. short answer... I'm not sure it's entirely unpossible..
The heavy trigger pull could make it difficult to bump easy in my opinion... - Clint Quote HistoryQuoted:
Quoted:
Does anyone have knowledge on what you need to put a bumpfire stock on an AES10B RPK? Funny story... SkilletsUSMC and myself were discussing this earlier this week. short answer... I'm not sure it's entirely unpossible..
The heavy trigger pull could make it difficult to bump easy in my opinion... - Clint There are videos out there. I called bumpfire and they say they do not make a stock for RPKs... |
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Posted: 1/15/2016 4:23:57 PM EDT
[#22]
Quote HistoryQuoted:
To everyone thinking about getting a M249S semi auto and turning it into a #bumpsaw... I did some looking and if you have the "Savit Multi postion" stock tube it is the same size as a standard milspec M4 style stock. So you may be able to do one of the homebrew style bumpstocks... http://i66.tinypic.com/2vv2xoy.jpg http://i65.tinypic.com/210haau.jpg - Clint it's not the same diameter as mil spec or civi....I have one and the stock body doesn't fit AR15s. |
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Posted: 1/15/2016 5:03:54 PM EDT
[#23]
Quote HistoryQuoted:
There are videos out there. I called bumpfire and they say they do not make a stock for RPKs... Quote HistoryQuoted:
Quoted:
Quoted:
Does anyone have knowledge on what you need to put a bumpfire stock on an AES10B RPK? Funny story... SkilletsUSMC and myself were discussing this earlier this week. short answer... I'm not sure it's entirely unpossible..
The heavy trigger pull could make it difficult to bump easy in my opinion... - Clint There are videos out there. I called bumpfire and they say they do not make a stock for RPKs... Mr Cajun and I were discussing RPDs. The RPKs should be easy enough. There is a Fostech video from way back with a bumpski. |
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Posted: 1/15/2016 5:59:32 PM EDT
[#24]
Quote HistoryQuoted:
Mr Cajun and I were discussing RPDs. Belt fed bumpfire would be tits. |
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Posted: 1/16/2016 12:02:30 AM EDT
[#25]
My new BumpSAW was a bust
 It's got gas issues. It would generally cycle a round, but barely. It failed to lock on an empty mag every time. I swapped to a 14.5 pinned upper and had some really fast runs. Didn't mess with prone fire today as I was mainly working with my binary trigger. Here are some clips from the binary setup. Ill try and get the Bump video uploaded before long. |
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Posted: 1/16/2016 1:23:11 PM EDT
[#26]
First I want to thank everyone so much for answering all my questions. Second I got out to the range this morning with my 7.62x39 upper and the gun ran great! I guess my dissipator with the SilencerCo muzzle brake won't allow the gun to recoil enough to bump.
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Posted: 1/16/2016 2:35:38 PM EDT
[#27]
Quote HistoryQuoted:
it's not the same diameter as mil spec or civi....I have one and the stock body doesn't fit AR15s. Quote HistoryQuoted:
Quoted:
To everyone thinking about getting a M249S semi auto and turning it into a #bumpsaw... I did some looking and if you have the "Savit Multi postion" stock tube it is the same size as a standard milspec M4 style stock. So you may be able to do one of the homebrew style bumpstocks... http://i66.tinypic.com/2vv2xoy.jpg http://i65.tinypic.com/210haau.jpg - Clint it's not the same diameter as mil spec or civi....I have one and the stock body doesn't fit AR15s. In my defense I had someone measure theirs... Idk what they used to measure it but they came up with 1.14" tube 
Thanks for clearing that up, otherwise I would have bought a used stock to see if I could make it work. - Clint |
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Posted: 1/16/2016 2:44:59 PM EDT
[#28]
Quote HistoryQuoted:
Mr Cajun and I were discussing RPDs. The RPKs should be easy enough. There is a Fostech video from way back with a bumpski. Yeah, I was on my phone.. I read RPD lol - Clint |
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Posted: 1/16/2016 2:49:52 PM EDT
[#29]
Quote HistoryQuoted:
Mr Cajun and I were discussing RPDs. The RPKs should be easy enough. There is a Fostech video from way back with a bumpski. Quote HistoryQuoted:
Quoted:
Quoted:
Quoted:
Does anyone have knowledge on what you need to put a bumpfire stock on an AES10B RPK? Funny story... SkilletsUSMC and myself were discussing this earlier this week. short answer... I'm not sure it's entirely unpossible..
The heavy trigger pull could make it difficult to bump easy in my opinion... - Clint There are videos out there. I called bumpfire and they say they do not make a stock for RPKs... Mr Cajun and I were discussing RPDs. The RPKs should be easy enough. There is a Fostech video from way back with a bumpski. The biggest issue with the RPD, at least with the typical striker/semi conversion, is the ridiculous amount of trigger travel and reset travel. |
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Posted: 1/16/2016 4:13:47 PM EDT
[#30]
Quote HistoryQuoted:
My new BumpSAW was a bust
It's got gas issues. It would generally cycle a round, but barely. It failed to lock on an empty mag every time. I swapped to a 14.5 pinned upper and had some really fast runs. Didn't mess with prone fire today as I was mainly working with my binary trigger. Here are some clips from the binary setup. Ill try and get the Bump video uploaded before long. https://youtu.be/OAe1dqg1yeg
Sick 
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Posted: 1/16/2016 4:39:30 PM EDT
[#31]
Quote HistoryQuoted:
My new BumpSAW was a bust
It's got gas issues. It would generally cycle a round, but barely. It failed to lock on an empty mag every time. I swapped to a 14.5 pinned upper and had some really fast runs. Didn't mess with prone fire today as I was mainly working with my binary trigger. Here are some clips from the binary setup. Ill try and get the Bump video uploaded before long. https://youtu.be/OAe1dqg1yeg
That's a shame about the upper. I know that feeling. The trigger looks GOOOOD. |
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Posted: 1/16/2016 4:44:44 PM EDT
[#32]
Quote HistoryQuoted:
First I want to thank everyone so much for answering all my questions. Second I got out to the range this morning with my 7.62x39 upper and the gun ran great! I guess my dissipator with the SilencerCo muzzle brake won't allow the gun to recoil enough to bump. Hip-pocket check list: Does the gun move back and forth freely on the bipod? Does the bumpstock bing up on itself when you get into shooting position? Is the stock dry and gritty feeling? Is the stock tube rotated too much? Is the gun excessively heavy—can you drop stuff off until it works? Are you applying appropriate forward pressure? (not too much or too little) Are you over-squeezing the trigger? This gives you reset issues. I am sure others can add more. |
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Posted: 1/16/2016 5:00:29 PM EDT
[#33]
Speaking of belt fed, has anyone used a Shrike with a DefendAR15? Or the FM-9 belt fed 9mm upper that just came out?
I know there's the one company modifying Colt 6920's with their own belt fed conversion, but the conversion requires cutting into the lower receiver. |
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Posted: 1/16/2016 5:11:46 PM EDT
[#34]
Quote HistoryQuoted:
Speaking of belt fed, has anyone used a Shrike with a DefendAR15? Or the FM-9 belt fed 9mm upper that just came out? I know there's the one company modifying Colt 6920's with their own belt fed conversion, but the conversion requires cutting into the lower receiver. I have only seen one video of people using that combo offhand. None proned out on a bipod. I have no idea why |
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Posted: 1/16/2016 5:28:34 PM EDT
[#35]
Quote HistoryQuoted:
Hip-pocket check list: Does the gun move back and forth freely on the bipod? Does the bumpstock bing up on itself when you get into shooting position? Is the stock dry and gritty feeling? Is the stock tube rotated too much? Is the gun excessively heavy—can you drop stuff off until it works? Are you applying appropriate forward pressure? (not too much or too little) Are you over-squeezing the trigger? This gives you reset issues. I am sure others can add more. Quote HistoryQuoted:
Quoted:
First I want to thank everyone so much for answering all my questions. Second I got out to the range this morning with my 7.62x39 upper and the gun ran great! I guess my dissipator with the SilencerCo muzzle brake won't allow the gun to recoil enough to bump. Hip-pocket check list: Does the gun move back and forth freely on the bipod? Does the bumpstock bing up on itself when you get into shooting position? Is the stock dry and gritty feeling? Is the stock tube rotated too much? Is the gun excessively heavy—can you drop stuff off until it works? Are you applying appropriate forward pressure? (not too much or too little) Are you over-squeezing the trigger? This gives you reset issues. I am sure others can add more. 7.62x39 Upper Runs perfect Dissipiator Upper won't run I think it's the muzzle brake. Like jaqufrost said. But to answer the questions. -No bipod yet -stock is not binding up on itself -Stock does not fell dry or gritty -Stock tube isn't rotated too much -I don't know if it's too heavy. It is a heavy barrel. The only thing on it are the MOE handguards and front and rear sight -Tried using different amounts of forward pressure and it didn't make a difference -Not over-squeezing the trigger Thank you for the help though. SkilletsUSMC and Jaqufrost you two inspired me to try a bump fire gun. And you guys have answered so many of my questions. |
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Posted: 1/16/2016 6:17:45 PM EDT
[#36]
here's the parts I've collected so far....
just waiting on the top handguard to decide what barrel length and gas system length I will need to use... - Clint |
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Posted: 1/16/2016 6:29:58 PM EDT
[#37]
Quote HistoryQuoted:
M249 handguard... Quote HistoryQuoted:
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Bump. Because Alaskacajun keeps IM'ing me... I am doing this one as BumpSAW 3. I am going to go the heatsink route on an M4 contour barrel though. Should get here from Palmetto soon. http://i72.photobucket.com/albums/i172/schkoot/Faux-chine%20gun/IMG_2439_zpsobj64szd.jpg What handguard is that? M249 handguard... How did you get it to work on an AR? (I skimmed the last 20 pages and could not find details. Sorry if I missed it.) |
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Posted: 1/16/2016 7:06:03 PM EDT
[#38]
I'm uploading some bump video from yesterday. I checked the audio and with the Aluminum carrier I'm running 1400+RPM! |
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Posted: 1/16/2016 7:08:22 PM EDT
[#39]
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Posted: 1/16/2016 7:10:18 PM EDT
[#40]
Quote HistoryQuoted:
I'm uploading some bump video from yesterday. I checked the audio and with the Aluminum carrier I'm running 1400+RPM! geez... 
- Clint |
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Posted: 1/16/2016 7:20:08 PM EDT
[#41]
Quote HistoryQuoted:
Bump. Because Alaskacajun keeps IM'ing me... I am doing this one as BumpSAW 3. I am going to go the heatsink route on an M4 contour barrel though. Should get here from Palmetto soon. http://i72.photobucket.com/albums/i172/schkoot/Faux-chine%20gun/IMG_2439_zpsobj64szd.jpg That is badass. I would bent a heat shield to fit and protect your hands from the gas tube, though. |
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Posted: 1/16/2016 7:27:52 PM EDT
[#42]
Quote HistoryThat is out of control fast... 
- Clint |
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Posted: 1/16/2016 7:29:26 PM EDT
[#43]
Not a bumpsaw, but I finally got around to installing my Bumpfire stock that I bought when they first came out (big thread on here). Put it on my 9mm and all I can say is this gets expensive in a hurry! But damn what fun!!
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Posted: 1/16/2016 7:39:03 PM EDT
[#44]
Quote HistoryUnreal.... |
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Posted: 1/16/2016 7:46:05 PM EDT
[#45]
Quote HistoryQuoted: Unreal.... Quote HistoryQuoted: Unreal.... |
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Posted: 1/16/2016 7:52:58 PM EDT
[#46]
Quote HistoryQuoted:
That is badass. I would bent a heat shield to fit and protect your hands from the gas tube, though. Quote HistoryQuoted:
Quoted:
Bump. Because Alaskacajun keeps IM'ing me... I am doing this one as BumpSAW 3. I am going to go the heatsink route on an M4 contour barrel though. Should get here from Palmetto soon. http://i72.photobucket.com/albums/i172/schkoot/Faux-chine%20gun/IMG_2439_zpsobj64szd.jpg That is badass. I would bent a heat shield to fit and protect your hands from the gas tube, though. I'll get around to that eventually. Right now I am making a picatinny rail mount setup for the bottom rail. Bit my finger a tad just now doing it.... |
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Posted: 1/16/2016 11:47:14 PM EDT
[#47]
Quote HistoryQuoted:
How did you get it to work on an AR? (I skimmed the last 20 pages and could not find details. Sorry if I missed it.) Quote HistoryQuoted:
Quoted:
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Bump. Because Alaskacajun keeps IM'ing me... I am doing this one as BumpSAW 3. I am going to go the heatsink route on an M4 contour barrel though. Should get here from Palmetto soon. http://i72.photobucket.com/albums/i172/schkoot/Faux-chine%20gun/IMG_2439_zpsobj64szd.jpg What handguard is that? M249 handguard... How did you get it to work on an AR? (I skimmed the last 20 pages and could not find details. Sorry if I missed it.) It's a hardware store special right now. 1.25 tube stock, waterproof electric conduit parts, pipe clamp + stick welds....LOL My plan now is to make legit mounting brackets and hopefully full float it. 
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Posted: 1/17/2016 4:24:22 AM EDT
[#48]
That's lookin sexy
- Clint |
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Posted: 1/17/2016 5:16:26 AM EDT
[#49]
Quote HistoryQuoted:
Or the FM-9 belt fed 9mm upper that just came out? Yes, I've been running a 16" with a S3G and bumpstock for a few months now. Runs 550-600RPM, on par with the RR. |
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Posted: 1/17/2016 5:36:47 AM EDT
[#50]
Quote HistoryDamn!
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