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