5.56x45mm NATO Upper Receivers

PSA 11.5" 5.56 1/7 Nitride 10.5" Lightweight MLOK Upper w/ BCG & CH

PSA 11.5" Carbine-Length 5.56 1/7 Nitride 10.5" Lightweight MLOK Upper - No BCG & CH

PSA 11.5" Carbine-Length 5.56 1/7 Nitride 10.5" Lightweight MLOK Upper w/ BCG & CH

PSA 11.5" Carbine-Length 5.56 1/7 Nitride 10.5" Lightweight Hex MLOK Upper w/ BCG & CH - FDE

PSA 16" 5.56 NATO 1/7 M4 Nitride Classic Wild Cat Gray Upper - No BCG & CH

PSA "M16A4" 20" Quad Rail Upper w/ BCG & CH

PSA Sabre AR-15 "M4A1" CHF CL 14.5" P&W Upper w/ Surefire Warcomp, Quad Rail and Vertical Grip

PSA Sabre AR-15 "M16A4" FN CHF CL 20" Upper w/ Quad Rail and Vertical Grip

PSA "M4A1" 14.5" P&W Quad Rail Upper w/ BCG & CH

PSA Guardsman-15 10.3" 5.56 NATO 1/7 CL Phosphate 9" MLOK Upper with BCG & CH, FDE

PSA Guardsman-15 16" Midlength 1/7 CL Phosphate 15" MLOK Upper with BCG & CH, FDE

PSA Guardsman-15 10.3" 5.56 NATO 1/7 CL Phosphate 9" MLOK Upper with BCG & CH

PSA Guardsman-15 16" Midlength 1/7 CL Phosphate 15" MLOK Upper with BCG & CH

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

PSA 16" Mid-Length 5.56 NATO 1:7 Nitride 13" Lightweight Hex M-Lok Upper No BCG & CH, ODG

PSA 10.5" 5.56 NATO 1/7 Nitride 9" Lightweight Hex M-Lok Upper No BCG & CH

PSA Sabre-18 Mod S 10.5" CHF CL Upper w/ Quad Rail and Rail Cover

PSA 16" Mid-Length 5.56 NATO 1:7 Nitride Geissele 13.5" MK8 M-Lok Upper - No BCG or CH

PSA "Sabre" Forged 11.5" Nitride 5.56 w/ Riflespeed Gas Block and Sabre QD Rail

PSA 16" CHF M4 Carbine 5.56 NATO 1:7 Geissele 13.5" MK8 M-Lok Upper - No BCG or CH

PSA 11.5" 5.56 NATO 1/7 Nitride 10.5" Lightweight Hex M-Lok Upper - Without BCG & CH

PSA 20" CHF Rifle-Length 5.56 NATO 1/7 15" Lightweight M-Lok Upper - No BCG or CH

PSA Complete 5.56x45mm Left Hand Upper Receiver

PSA "Sabre" Forged 14.7" 5.56 FN CHF CL 13.65" Hodge P-Lock Rail Pin/Weld with Rearden R2 Mount