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TX, USA
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Posted: 8/17/2022 10:43:50 AM EDT
[#1]
Quote HistoryOriginally Posted By dogesco93: So the new triggers are that bad? I'm liquidating unused stuff to get in on this, didn't realize the changes were that significant |
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OH, USA
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Posted: 8/26/2022 8:53:11 AM EDT
[#2]
I’d be interested in purchasing one as well
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Posted: 8/27/2022 10:23:40 AM EDT
[#3]
Before I buy this barrel, can anyone confirm that the FH is an NT4 mount/
MK46 barrel:  This is the actual KAC mount. It looks identical to me.  Thanks (Cross posting from the KAC forum) |
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USA
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Posted: 8/27/2022 11:28:22 AM EDT
[#4]
Quote HistoryOriginally Posted By los28z: I’d be interested in purchasing one as well Noted. I was talking to my machinist yesterday and it looks like a go. |
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USA
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Posted: 8/27/2022 10:08:52 PM EDT
[#5]
I’d be interested in one as well
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Posted: 8/28/2022 12:22:59 PM EDT
[Last Edit: goloud]
[#6]
Anyone with a Para want to show how the flash hider is welded on to the barrel? Is it a simple tack weld that can be cut easily or a more involved process?
Thanks Eta: Thanks to Ecco machine, I found this 9/16x24 to 1/2x28 adapter. https://www.thesilencerstore.com/product-p/ad-ar-004lh.htm 
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TX, USA
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Posted: 8/29/2022 9:22:49 AM EDT
[Last Edit: Ehtacs]
[#7]
Quote HistoryOriginally Posted By goloud: Before I buy this barrel, can anyone confirm that the FH is an NT4 mount/ MK46 barrel: https://www.ar15.com/media/mediaFiles/83570/5BD97CB0-2644-43B6-B7BD-FB27CD43701D-2504507.jpg This is the actual KAC mount. It looks identical to me. https://www.ar15.com/media/mediaFiles/83570/88F86650-7305-4262-9B7A-AAA96E9FDBED-2504508.jpg Thanks (Cross posting from the KAC forum)  |
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Posted: 8/29/2022 11:20:56 AM EDT
[#8]
Thanks!
The NT4 QDSS Flash Hider has the same cut. 
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TX, USA
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Posted: 8/29/2022 12:08:11 PM EDT
[#9]
Quote HistoryOriginally Posted By goloud: Thanks! The NT4 QDSS Flash Hider has the same cut. https://www.ar15.com/media/mediaFiles/83570/F5454DB6-7B95-4045-8A45-C9F102A2C799-2507360.jpg  I believe it's also standard A2 diameter? |
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Posted: 8/29/2022 12:27:27 PM EDT
[#10]
Quote HistoryOriginally Posted By Ehtacs: The NT4 is not a symmetrical cut, though. One side is angled and the other is squared: https://www.robertrtg.com/store/pc/catalog/arr-kac-93048_715_detail.jpg I believe it's also standard A2 diameter? True. Is the 249 Para flash hider symmetrical? |
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TX, USA
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Posted: 8/29/2022 12:39:55 PM EDT
[#11]
Quote HistoryOriginally Posted By goloud: True. Is the 249 Para flash hider symmetrical?  |
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Posted: 8/29/2022 12:47:46 PM EDT
[Last Edit: goloud]
[#12]
Quote HistoryOriginally Posted By Ehtacs: Indeed! Flipped it around for ya. If you're hunting for a combo, the Surefire muzzle and a SOCOM-556 would be excellent. Or the MG version if you're doing high volume. https://i.imgur.com/ZTIqksQ.jpg Thanks for that. I want to run the NT4 since it’s pretty much bombproof. I also have a 300BLK barrel in process… Eta: here’s the one I just bought: 
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NH, USA
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Posted: 9/4/2022 11:07:11 PM EDT
[Last Edit: lumpyboy]
[#13]
Originally Posted By ProbableColtAddict: Be aware, I cannot guarantee you a Gen 1 slide hammer will work with a Gen 3 bolt carrier/bolt/firing pin setup. It looks to me like is should but it's going to have to be tested. When the time comes, I'm going to need someone with a Gen 3 rifle to either test it for me or, and this is the best scenario, meet with me so that we can test it together. I would think that a few hundred rounds would be sufficient. The machinist I'm using has been at it continually since 1963, first in the military and then, after mustering out in 1984, on his own. We spent a fair amount of time at his shop today, testing the hardness on mine, discussing what needs to be done, the best material, how many we should make, etc. I left mine with him and he'll have pricing for me in a few days. These aren't going to be cheap, probably (not certainly but probably) around $210 each shipped. He's a one man band and it takes him a while but his work is Quality I’m 100% in. |
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FL, USA
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Posted: 9/5/2022 8:49:00 PM EDT
[#14]
Me too- 100%
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UT, USA
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Posted: 9/8/2022 2:02:14 AM EDT
[#15]
 MK 48 MOD 2 |
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WA, USA
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Posted: 9/8/2022 11:29:41 AM EDT
[#16]
They welded mine 270 degrees around the flash hider. No easy task to get off
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MP, USA
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Posted: 9/9/2022 8:24:59 AM EDT
[#17]
Quote HistoryOriginally Posted By Ehtacs: FWIW my Gemtech Halo does not fit over the muzzle device - it's a hair too girthy over the normal A2 diameters. Here's a photo, though!.. Sorta looks like a rebar cutter? Take-off from my mk46 barrel: https://i.imgur.com/wZJVNXw.jpg Not a rebar cutter. That’s how the NT4 indexes on the flash hider. |
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Posted: 9/9/2022 8:48:41 AM EDT
[#18]
The official KAC 249 Para NT4 mount:
 
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USA
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Posted: 10/8/2022 7:32:33 PM EDT
[#19]
Bump for a trigger upgrade! I’m in for one if/when available.
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Posted: 11/5/2022 7:47:10 PM EDT
[#20]
 https://www.thefirearmblog.com/blog/2022/11/05/five-challenges-beltfed-rifle-suppressor/ I must have got a pre-upgrade version. My trigger pull is long but feels like about 5-6lbs. |
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Posted: 11/16/2022 11:29:14 AM EDT
[#21]
Quote HistoryOriginally Posted By ProbableColtAddict: Be aware, I cannot guarantee you a Gen 1 slide hammer will work with a Gen 3 bolt carrier/bolt/firing pin setup. It looks to me like is should but it's going to have to be tested. When the time comes, I'm going to need someone with a Gen 3 rifle to either test it for me or, and this is the best scenario, meet with me so that we can test it together. I would think that a few hundred rounds would be sufficient. The machinist I'm using has been at it continually since 1963, first in the military and then, after mustering out in 1984, on his own. We spent a fair amount of time at his shop today, testing the hardness on mine, discussing what needs to be done, the best material, how many we should make, etc. I left mine with him and he'll have pricing for me in a few days. These aren't going to be cheap, probably (not certainly but probably) around $210 each shipped. He's a one man band and it takes him a while but his work is Quality. I recently had him reproduce a run of VZ 58Pi scope rails for me and it's dead on accurate to the original: https://hosting.photobucket.com/images/ab269/Combloc/P1210639.JPG?width=960&height=720&fit=bounds https://hosting.photobucket.com/images/ab269/Combloc/P1210640.JPG?width=960&height=720&fit=bounds https://hosting.photobucket.com/images/ab269/Combloc/P1210641.JPG?width=960&height=720&fit=bounds https://hosting.photobucket.com/images/ab269/Combloc/P1210643.JPG?width=960&height=720&fit=bounds https://hosting.photobucket.com/images/ab269/Combloc/P1210652.JPG?width=960&height=720&fit=bounds I'm interested in 4. |
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Posted: 11/16/2022 12:15:31 PM EDT
[#22]
 You can own a belt fed, (M249S and Fightlite MCR, featuring kit setup) |
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OH, USA
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Posted: 11/18/2022 12:45:53 PM EDT
[#23]
Well guess market price on these will be going up. 😂
I love his videos! |
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Posted: 11/19/2022 12:23:12 PM EDT
[#24]
Quote HistoryOriginally Posted By ProbableColtAddict: Be aware, I cannot guarantee you a Gen 1 slide hammer will work with a Gen 3 bolt carrier/bolt/firing pin setup. It looks to me like is should but it's going to have to be tested. When the time comes, I'm going to need someone with a Gen 3 rifle to either test it for me or, and this is the best scenario, meet with me so that we can test it together. I would think that a few hundred rounds would be sufficient. The machinist I'm using has been at it continually since 1963, first in the military and then, after mustering out in 1984, on his own. We spent a fair amount of time at his shop today, testing the hardness on mine, discussing what needs to be done, the best material, how many we should make, etc. I left mine with him and he'll have pricing for me in a few days. These aren't going to be cheap, probably (not certainly but probably) around $210 each shipped. He's a one man band and it takes him a while but his work is Quality. I recently had him reproduce a run of VZ 58Pi scope rails for me and it's dead on accurate to the original: https://hosting.photobucket.com/images/ab269/Combloc/P1210639.JPG?width=960&height=720&fit=bounds https://hosting.photobucket.com/images/ab269/Combloc/P1210640.JPG?width=960&height=720&fit=bounds https://hosting.photobucket.com/images/ab269/Combloc/P1210641.JPG?width=960&height=720&fit=bounds https://hosting.photobucket.com/images/ab269/Combloc/P1210643.JPG?width=960&height=720&fit=bounds https://hosting.photobucket.com/images/ab269/Combloc/P1210652.JPG?width=960&height=720&fit=bounds Please PM me when you are all set up for sale. I'm in 100% |
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FL, USA
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Posted: 11/19/2022 1:14:07 PM EDT
[#25]
Quote HistoryOriginally Posted By Elcunning: Please PM me when you are all set up for sale. I'm in 100% Same here. |
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NC, USA
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Posted: 11/30/2022 7:20:19 AM EDT
[#26]
Just wanted to follow up and see if anyone has had any luck in designing a lighter trigger weight?
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Posted: 12/22/2022 2:44:04 AM EDT
[Last Edit: Sparks556]
[#27]
Shot the 249s in the 2gun this weekend for fun and it still is one of my favorites. It also looks way good on the ride home in my FJ80 series with the night mode lighting.
  Attached File |
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Posted: 3/14/2023 7:12:13 PM EDT
[#28]
@ProbableColtAddict
Checking in - did you ever get those made? |
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Posted: 3/14/2023 9:50:32 PM EDT
[#29]
Quote HistoryOriginally Posted By jtb33: @ProbableColtAddict Checking in - did you ever get those made? I was just thinking about this and looking at options to fix the trigger pull weight again. |
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Posted: 3/14/2023 10:00:25 PM EDT
[#30]
Saw you said you got yours down to 9 pounds... That almost hurts me to say out loud: down to 9 pounds.
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USA
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Posted: 3/14/2023 11:34:44 PM EDT
[#31]
Quote HistoryOriginally Posted By jtb33: @ProbableColtAddict Checking in - did you ever get those made? Unfortunately, they have not been made. After the part sat at the machinist's shop for many months, I retrieved it for fear it might become lost. I informed him that I would be more than happy to bring it back when he was caught up and ready to begin production. I never heard back. |
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Posted: 3/15/2023 12:12:53 AM EDT
[#32]
Well ok then. Time to 3d print replacement original parts. Anyone have a metal capable 3d printer?
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VA, USA
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Posted: 3/15/2023 4:03:45 AM EDT
[#33]
Quote HistoryOriginally Posted By Ben: Well ok then. Time to 3d print replacement original parts. Anyone have a metal capable 3d printer? DMLS machines run $800K-$1M, you probably want to reach out to a prototyping shop for that. |
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Posted: 8/8/2023 4:15:08 AM EDT
[#34]
I don't have a 3d printer, but I do have access to a foundry, cnc machines, a robot and an RnD team that would do it as a side project.
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Posted: 8/25/2023 9:35:46 PM EDT
[#36]
Quote HistoryOriginally Posted By Sparks556: Shot the 249s in the 2gun this weekend for fun and it still is one of my favorites. It also looks way good on the ride home in my FJ80 series with the night mode lighting. https://www.ar15.com/media/mediaFiles/254860/F4130CBD-48E0-41DF-A906-B08345AEEE95_jpe-2644192.JPG Would love to see more pictures of this..... |
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Posted: 9/6/2023 6:53:43 PM EDT
[#37]
Tag. I pick my M249s tomorrow. I'm hoping the trigger isn't as bad as everyone is saying.
What accessories should I be looking to get? |
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Posted: 9/6/2023 7:03:37 PM EDT
[Last Edit: KitBuilder]
[#38]
Quote HistoryOriginally Posted By MP15T: I'm hoping the trigger isn't as bad as everyone is saying. Quote HistoryOriginally Posted By MP15T: I'm hoping the trigger isn't as bad as everyone is saying. What accessories should I be looking to get?  Attached FileYou'll need the improved (tubular) bipod if you want to run a VFG (or anything on the bottom of the RAS) and still be able to fold the bipod aft. MK46 barrel if you want a lightweight (SBR) barrel. If you can find a MK46 bipod, they're lighter weight, but rarely come up for sale. The MK46 fixed stock is like an M249 stock, but just has a synthetic butt plate instead of the aluminum and steel "shoulder thing that goes up" so the MK46 version is more comfortable. The M192 tripod, if you hate money. |
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Posted: 9/6/2023 7:40:07 PM EDT
[#39]
Here are some accessories you can get. Not pictured (I've added since) are FN Minimi barrel assembly, Minimi para stock, SAVIT stock, and an Elcan M134a.
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Posted: 9/7/2023 4:07:52 PM EDT
[#40]
Yup. Trigger sucks.
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TX, USA
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Posted: 9/8/2023 10:53:22 PM EDT
[#41]
Quote HistoryOriginally Posted By MP15T: Yup. Trigger sucks. This is what it should look like with a vertical sear sticking out the top of the trigger group:  If you look at yours, you'll notice is angled towards the rear which means the trigger has to push the hammer back before it can move forward. |
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SC, USA
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Posted: 9/9/2023 8:13:46 AM EDT
[#42]
@ehtacs
What route did you go to Post Sample? A conversion has been on my list of things to do. |
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TX, USA
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Posted: 9/9/2023 2:55:23 PM EDT
[#43]
Quote HistoryOriginally Posted By SteelSC: @ehtacs What route did you go to Post Sample? A conversion has been on my list of things to do.
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Posted: 9/9/2023 3:25:28 PM EDT
[Last Edit: KitBuilder]
[#44]
Quote HistoryOriginally Posted By Ehtacs: A conversion kit that'll drop into any semi-auto needs:
Quote HistoryOriginally Posted By Ehtacs: A conversion kit that'll drop into any semi-auto needs:
The semi-auto FCG has holes in the exact same places and the clearance inside is identical. You just need the trigger assembly, sear, and sear spring. (The safety is the same.) (Just look at the semi-auto op rod and it'll be obvious what the difference is.) This is the component you should serialize, since it's technically the "conversion device". Remove the semi-auto firing pin and associated parts, and it's good to go. |
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USA
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Posted: 9/9/2023 5:53:36 PM EDT
[#45]
Since these have been around for years now and the cat's out of the bag I can finally say this. When I first bought mine and looked at how it was converted, I couldn't believe the ATF approved the design.
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Posted: 9/9/2023 6:14:27 PM EDT
[#46]
Quote HistoryOriginally Posted By ProbableColtAddict: I couldn't believe the ATF approved the design. Good stuff.  Yet they'll rake Tom Bostic over the coals for his T36 receiver. ATF doesn't make any sense. |
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TX, USA
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Posted: 9/9/2023 10:22:43 PM EDT
[#47]
If you have access to original parts, machinery, and $5k-15k to throw at the project, they're all pretty easy, no? They did a good job making it so factory full-auto parts wouldn't drop in and you weren't going to make it happen with a Dremel... Or in the case of the PS90, a butter knife
 Anyone have a sling recommendation? I'm torn between the Vickers (https://www.blueforcegear.com/vickers-combat-applications-sling-m249-saw-sling.html) and the Viking (https://www.vikingtactics.com/shop/vtac-wide-padded-sling-upgrade/). Vickers looks purpose built but the VTAC looks higher quality. Anything else that should be considered? |
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Posted: 9/9/2023 10:52:00 PM EDT
[Last Edit: KitBuilder]
[#48]
Quote HistoryOriginally Posted By Ehtacs: Anyone have a sling recommendation? I'm torn between the Vickers (https://www.blueforcegear.com/vickers-combat-applications-sling-m249-saw-sling.html) and the Viking (https://www.vikingtactics.com/shop/vtac-wide-padded-sling-upgrade/). Vickers looks purpose built but the VTAC looks higher quality. Anything else that should be considered? That's why I chose the Vickers SAW sling. Mine hasn't arrived yet. I also ordered an ITW M.A.S.H. Hook (1.25") from EmdomUSA like Vickers used in the promo video (since the BFG wire loop stuff uses a polymer coating which can warp/melt). I did get the BFG Belt Fed Loop for the rear attachment, just so I can easily swap stocks. |
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TX, USA
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Posted: 9/13/2023 5:06:38 PM EDT
[#49]
I ended up going with the VTAC! I've only owned one BFG sling and wasn't impressed. The Nomex sounds interesting but I'll see how the VTAC does first. We're shooting 200 rounds at a time and either switching barrels in-between or cooling everything entirely. The receiver has gotten warm to the touch but never hot enough that I'd be concerned about the sling... No more so than like a suppressor on a short barrel at least which hasn't posed a problem yet.
Those ITW Mash Hooks look perfect, though! Grabbing two of those! |
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Posted: 9/13/2023 6:20:32 PM EDT
[Last Edit: KitBuilder]
[#50]
Quote HistoryOriginally Posted By Ehtacs: The receiver has gotten warm to the touch but never hot enough that I'd be concerned about the sling... Quote HistoryOriginally Posted By Ehtacs: The receiver has gotten warm to the touch but never hot enough that I'd be concerned about the sling... No more so than like a suppressor on a short barrel at least which hasn't posed a problem yet. Haven't seen any slings melted in-person, but I'm sure somebody has ruined one. Full auto SAWs get crazy hot if you're practicing stuff like Final Protective Fire, which I don't want to try with my own barrel, but if it happens I do want the sling to function afterwards. Those ITW Mash Hooks look perfect, though! Grabbing two of those! The silencers like Emdom sells can melt and make a mess, but I'm going to try some 1" automotive heat-resistant tubing covers and see if they'll silence it. The first time I saw those MASH Hooks was when NSW was running them on their MK18 Mod 0 carbines, and I didn't know what they were at the time. Very strong retention. Idk if they're still being produced, or if EmdomUSA is just sitting on old stock. Looks like ITW (Illinois Tool Works) got out of the military buckle business in 2012. |
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