Browse our growing selection of firearms, ammunition, optics, accessories, and range gear.
HK 51000384 UPPER RECEIVER KIT MR556A4 16.5"
HK 51000384 MR556 Upper Receiver Kit 5.56mm for AR15/M16/M4
HK 81001052 MR762 A4 13 20R
HK 81001052 MR762 A4 7.62x51mm 20+1 13" Threaded Barrel, M-LOK Handguard, Black Receive…
HK 81001053 MR762 A4 13 10R
HK 81001053 MR762 A4 7.62x51mm 10+1 13" Threaded Barrel, M-LOK Handguard, Black Receive…
HK 51000385 UPPER RECEIVER KIT MR556A4 11"
HK 51000385 MR556 Upper Receiver Kit 5.56mm for AR15/M16/M4
HK 51001892 MR762 A4 16 UPPER REC KIT 5/8X24
HK 51001892 A4 Complete Upper Receiver Assembly 7.62x51mm Cold Hammer Forged Steel 16"
HK 51001919 MR762 A4 13 UPPER REC KIT 5/8X24
HK 51001919 A4 Complete Upper Receiver Assembly 7.62x51mm Cold Hammer Forged Steel 13"
HK 81000477 SP5 9MM (2)30R 8.86
HK 81000477 SP5 9mm Luger 30+1 8.86" Black Steel Barrel, Black Aluminum Receiver, Blac…
HK 81000478 SP5 9MM (2)10R 8.86
HK 81000478 SP5 9mm Luger Caliber with 8.86" Barrel, 10+1 Capacity, Overall Black Fini…
HK 81000480 SP5L 9MM 2-10R 16.5
HK 81000480 SP5L 9mm Luger 10+1 16.50" Black Threaded Barrel Black
HK 81000481 SP5KPDW 9MM (2)30R 5.83
HK 81000481 SP5K PDW 9mm Luger Caliber with 5.83" Barrel, 30+1 Capacity, Black Metal Fi…
HK 81000482 SP5KPDW 9MM (2)10R 5.83
HK 81000482 SP5K PDW 9mm Luger Caliber with 5.83" Barrel, 10+1 Capacity, Black Metal Fi…
HK 81001050 MR556 A4 11" 1-30R (PISTOL)
HK 81001050 MR556 A4 5.56x45mm 30+1 11" Black Threaded Barrel, M-LOK Handguard, Black P…
HK 81001051 MR556 A4 11" 1-10R (PISTOL)
HK 81001051 MR556 A4 5.56x45mm 10+1 11" Black Threaded Barrel, M-LOK Handguard, Black P…
HK 81001190 PI SP5L MI HNDGRD/SBT BRACE 2X30R BLK
HK 81001190 SP5L 9mm Luger 30+1 16.50" Overall Black M-LOK Handguard, Aluminum Receive…
HK 81001191 PI SP5L MI HNDGRD/SBT BRACE 2X10R BLK
HK 81001191 SP5L 9mm Luger 10+1 16.50" Overall Black M-LOK Handguard, Aluminum Receive…
HK 81001201 PI MR556A4 556 11 30R PATBRWN
HK 81001201 MR556 A4 5.56x45mm 30+1 11" Black Threaded Barrel, M-LOK Handguard, Patriot…
HK 81001202 PI MR556A4 556 11 10R PATBRWN
HK 81001202 MR556 A4 5.56x45mm 10+1 11" Black Threaded Barrel, M-LOK Handguard, Patriot…
HK 81001455 SP5KPDW 9MM (2)30R 5.83 PATBRWN
HK 81001455 SP5K PDW Sports South Exclusive 9mm Luger 30+1 5.83" Patriot Brown Aluminum…