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Rainier Arms, LLC

Pinning & Welding: Special

Pinning & Welding

Availability: In stock




Per regulations, a rifle barrel length must exceed 16? without being considered an NFA item. Our Pin & Weld service is available to permanently attach many muzzle devices to your barrel, thereby achieving compliance with these regulations. Compliance will vary depending on barrel length and muzzle device specifications. Call with any questions regarding this procedure.

Special Pin and Weld:
BattleComp (Melonite)
Spikes Dynacomp
VG6 Precision
Noveske KX5
Suppressor Mounts

Muzzle devices not listed will be charged at the discretion of Rainier Arms.  

If you are sending in an upper or barrel, actual shipping charges will be charged (approx. $15).

Typical shop time is 7-14 days + shipping time.

Permanantly attaching any suppressor mount VOIDS the warranty of any suppressor attached to the pinned mount.

Additional Info

Additional Info

Manufacturer Rainier Arms, LLC
Finish No
Barrel Length No
Caliber No
Configuration N/A
Option N/A
Gas Length No
Height N/A
Rail Length N/A
Mount N/A
Profile No
Reticle N/A
Co Witness N/A
Size No


Customer Reviews (8)

No commentReview by william
- (Posted on 1/17/2017)
No commentReview by Donald
- (Posted on 10/9/2016)
No commentReview by Chris
- (Posted on 10/2/2016)
No commentReview by Kenneth
Very clean pin/weld job - the best I've seen on a Surefire brake. This barrel also had a PERFECT suppressor alignment test. It's 2-thumbs up here!! (Posted on 9/6/2016)
No commentReview by Daniel
Lighting fast turn around. . .high quality work pinning and welding a Titanium compensator (which most other places won't even touch). I provided the barrel, and the compensator myself and they still treated my order as if I was a VIP spending thousands at their store. Well after this amazing experience I just might! (Posted on 9/6/2016)
Sent in new parts, they came back trashedReview by Sean
This was the absolute worst work I have seen by a gunsmith. My Noveske upper receiver and rail were brand new when I sent them in. Three weeks later when I got them back they were destroyed. They were marred, scratched down to the silver aluminum. For almost $200 dollars (Upper assembly and pin+weld) and a 3 week wait time this is absolutely unacceptable. (Posted on 8/27/2016)
Professional!Review by Ernie
RA's customer service and craftsmanship is amazing as usual. RA received my barrel and muzzle device on 9/9 and I received it back on 9/21! They timed my VG6 Epsilon perfectly, and the pinning and welding job was absolutely professional...exactly what was advertised, and what you would expect from RA. Rest assured, they set a high standard for others to follow when it comes to craftsmanship. (Posted on 9/22/2015)
Amazing work, and even better company!Review by Aaron
Once again, RA doesn't disappoint. It was my first time needing to pin and weld a firearm so I was a bit worried as I always prefer to personally assemble any build I do. I sent my packaged parts on 7/6 and on 7/23 had my barrel and KX5 delivered with an amazing pin and weld job. The process was much more simple than I thought. RA also took into consideration the cosmetics of the pin and weld and made sure the flaming pig logo on the brake was perfectly placed. In addition, I utilized RA customer service support multiple times on this build and every time they were amazingly kind and helpful.

Highly recommend using RA! (Posted on 7/24/2015)

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