AR Parts in 5.56x45mm NATO

PSA 16" Mid-Length Pencil 5.56 NATO 1:7 Nitride 15" Lightweight M-LOK Upper w/ NiB BCG, CH, & MBUS Sights

PSA 16" Mid-Length Pencil 5.56 NATO 1:7 Nitride 13.5" Lightweight M-lok Upper with NiB BCG, CH, & MBUS Sight Set

PSA 5.56 Phosphate MPI Full-Auto Bolt Carrier Group

PSA 8.5" Pistol-length 5.56 NATO 1/7 Nitride 7" Lightweight M-Lok Upper with BCG & CH - 5165450466

PSA 16" Mid-Length 5.56 NATO 1/7 Nitride MOE Upper With BCG, CH, & MBUS Rear Sight, Black

PSA AR-15 Upper 5.56 16" Mid-Lgth 1:7 Nitride Dissipator - 5165449779

PSA 10.5" Carbine-Length 5.56 NATO 1/7 Nitride 12" Slant M-lok Upper - With BCG, CH, & MBUS Sight Set - 5165449684

PSA 10.5" 5.56 NATO 1/7 Nitride 10.5" Lightweight M-Lok Upper - With BCG & CH - 5165449682

PSA 16" Mid Length 1/7 Nitride 15" Lightweight M-lok Upper With BCG & CH - 5165449680

PSA AR-15 Upper 5.56 16" Mid-Length 1/7 Nitride 13.5" M-LOK w/NiBx BCG & CH

PSA 10.5" Carbine-Length 5.56 NATO 1/7 Nitride 12" Lightweight M-Lok Upper With BCG & CH - 5165449196

PSA 10.5" Carbine-Length 5.56 NATO 1/7 Nitride 12" Slant M-Lok MOE EPT SBA3 Pistol Kit - 5165448877

PSA 16" CHF M4 Carbine 5.56 NATO 1:7 13.5" Lightweight M-Lok upper - No BCG or CH - 5165448811

PSA 10.5" CHF Carbine Length 5.56 NATO 1:7 9'' Lightweight M-Lok Railed Upper - Without BCG or CH - 5165448674

PSA 16" Mid-length 5.56 NATO 1:7 Nitride 15" Lightweight M-lok Upper W/BCG & CH

PSA AR-15 Upper 5.56 16" Mid-Length Nitride 13.5" M-Lok - 5165448513

PSA 16" Nitride 1:7 M4 Carbine 5.56 NATO MOE AR-15 Upper Assembly, FDE - with BCG/CH & Rear Mbus

PSA 16" Mid-Length 5.56 NATO 1:7 Nitride 13.5" Lightweight M-Lok Upper - With BCG & CH - 5165448422

PSA 20" Rifle Length 5.56 NATO 1:7 Nitride Freedom Upper With Carry Handle Assembly W/ BCG and CH

PSA 16" Mid-length 5.56 NATO 1:7 Stainless 13.5" M-lok Lightweight Upper - With BCG & CH - 5165448205

PSA 7" Nitride 5.56 1/7 6" Lightweight M-Lok Upper - With BCG & Charging Handle - 5165447572

PSA 8.5" Pistol-length 5.56 NATO 1/7 Nitride 7" Lightweight M-Lok Upper with BCG & CH - 516447525

PSA 16" Nitride 1:7 M4 Carbine 5.56 NATO MOE AR-15 Upper Assembly, Black - with BCG/CH & Rear Mbus

PSA 7" 5.56 NATO 1/7 Nitride 9" Lightweight M-Lok Freedom Upper With Fluted Flash Can, BCG, CH, & MBUS Sight Set - 516447329