AR-15 Rifle Parts at Brownells
Build Your Sick Custom AR-15 Assault Rifle Firearm With This Web Interactive Firearm Gun Builder with ALL the Industry Parts - See it yourself before you buy any parts @aegisgears
Shadow Valley Weapons Muzzle Break. 12 o clock port void to decrease temporary blindness during night firing due to muzzle flash. Tempered glass breaker and slotted front end for tactical entry. This thing can chew through fence, chain, and almost anything else you can throw at it.