Upper Receiver

SureFire’s advanced SF3P three-prong flash hiders deliver superior performance with a patented design that greatly reduces muzzle flash — typically more than 99%. Available for use with a variety of rifle calibers and muzzle thread specs,...

Standard flat-top upper receiver with 16″ chrome lined 1:7″ twist 5.56 barrel. Meeting todays military specifications, the L7UB1 is a near equivalent to the upper delivered on the US M4A1 5.56 carbine. The upper receiver itself features...

LMT Defense standard flat-top upper receiver with 14.5″ chrome lined 1:7″ twist 5.56 barrel. Meeting todays military specifications, the L7D1 is a common equivalent to the upper delivered on the US M4A1 5.56 carbine. The upper receiver itself...

LMT Defense standard flat-top upper receiver with 10.5″ chrome lined 1:7″ twist 5.56 barrel. Comes with forward assist, port door, sling swivel, front sight post, and gas tube installed.  Utilizes the mil-spec barrel nut and delta ring...

The LMT Defense MRP-H® Quad Rail (Picatinny) 12.5" AR10/AR308 Upper Receiver (LM308B1) is built around the patented LMT Monolithic Rail Platform (MRP™) engineered for large-caliber platforms. Receiver and handguard machined from a single piece of forged...

The LMT Defense MRP-H® M-LOK 12.5" AR10/AR308 Upper Receiver (R-LM308BML1) is built around the patented LMT Monolithic Rail Platform (MRP™) engineered for large-caliber platforms. Receiver and handguard machined from a single piece of forged...

The LMT Defense MRP-L M-LOK 9.25" AR15 Upper Receiver (L7X1A) features the patented LMT Monolithic Rail Platform (MRP™) — the upper receiver and handguard are machined from a single piece of forged aerospace-grade aluminum, eliminating flex and providing...

The LMT Defense MRP-L M-LOK 11.5" AR15 Upper Receiver (L7ZN2A) features the patented LMT Monolithic Rail Platform (MRP™) — the upper receiver and handguard are machined from a single piece of forged aerospace-grade aluminum, eliminating flex and...

The advanced SureFire SFMB-762-5/8-24 muzzle brake, which fits the Armalite AR-10, DPMS LR308, and 7.62 mm rifles with 5/8-24 muzzle threads, greatly reduces both recoil impulse and muzzle rise and features neutral porting that loads bi-pod legs evenly...

The SureFire SOCOM 5.56 Muzzle Brake/Suppressor Adapter 1/2x28 (SFMB-556-1/2-28) is SureFire's muzzle brake and Fast-Attach® suppressor mounting adapter for 5.56mm rifles with 1/2x28 muzzle threading. The SFMB-556 functions as a highly effective muzzle...