AR-10 Parts

The LMT Defense 16" Stainless Steel 5.56 NATO MRP-L Barrel Assembly (L7SB1B) is a premium match-quality barrel designed for LMT's MRP-L Monolithic Rail Platform upper receivers. Machined from...

Specs: Caliber: 5.56 NATO Barrel Length: 20" Barrel Material: Stainless Steel (SS) Rifling Twist Rate: 1:7"

The Proof Research 16" .300 Blackout LMT MRP Converted Barrel (100561CONV) is a precision carbon fiber barrel conversion designed to transform LMT MRP (Modular Rail Platform) rifles into .300...

The Proof Research 12.5" .300 Blackout LMT Carbon Fiber Barrel (100523) is a precision drop-in replacement barrel for LMT MRP/MWS quick-change barrel systems chambered in .300 Blackout. The 12.5-inch...

LMT AR-10 Barrel for use with the LMT MWS upper receivers.  Specifications:  7.62 NATO / .308 16" Stainless steel 1:11.25" RH twist 5R cut Low profile gas block Straight gas tube A2 flash hider

LMT Defense 18″ stainless steel 1:11.25″ RH 5R cut 7.62×51 barrel for MWS upper receivers. Includes low profile gas block, straight gas tube, A2 flash hider. SPECS

Proof Research Carbon Fiber LMT MRP/MWS Conversion Barrels (PROOF-BARRELS) are precision-engineered replacement barrel assemblies designed specifically for LMT (Lewis Machine & Tool) Modular Rail...

Upgrade your AR-10 platform with the pinnacle of barrel technology: the Proof Research AR-Style .308 Winchester 16" Carbon Fiber Barrel (Part 101261). Designed for tactical shooters, hunters, and...

LMT AR-10 Barrel for use with the LMT MWS upper receivers.  Specifications:  7.62 NATO / .308 20" Stainless steel 1:11.25" RH twist 5R cut Low profile gas block Straight gas tube A2 flash hider