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Rainier Arms, LLC

Pinning & Welding: Unpinning

Pinning & Welding: Unpinning

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.

Standard Pin and Weld:
Rainier Arms XTC
Rainier Arms Compensator
Rainier Arms XD
A2 Extended Flash Hider
BCM Mod 1 Compensator
Fortis Red Brake
Noveske KX3
POF .223 Flash Hider
Seekins ATC
Smith Enterprises Vortex
VLTOR Flash Hider
YHM Phantom (Non-mount)

Special Pin and Weld:
Spikes Dynacomp
VG6 Precision
Noveske KX5
Suppressor Mounts

AAC w/ Pencil Barrel:
51T Blackout & Brakeout
18T Blackout

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


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