AE OPS/AE SPR Brake and Mod 1 Collar Kit
Brake and collar kit for brake mounted suppressors, also known as the “SPR Kit”. Included with the kit: 1/2-28 Brake with .22/5.56 caliber aperture. SHORT external thread extension can be used with either a crush washer or spacer/shims. This is the MK12 “clone correct” version. OR 1/2-28 Brake with .22/5.56 caliber aperture. LONG external thread extension for use with shims only. Shim kit Mod 1 Collar
Specifications
- Thread Pitch
- 1/2x28 Long, 1/2x28 Short
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