Heckler and Koch H&K

HK HK USP Tactical Threaded Barrel 45 ACP 5.09" Blue

HK MR556 A4 AR-15 Complete Upper Receiver 5.56x45mm NATO 16.5" Barrel

HK MR556 A4 AR-15 Complete Upper Receiver 5.56x45mm NATO 11" Barrel

Heckler and Koch VP9SK OR Slide Kit 9mm

HK MP5, SP5 Picatinny Rail

Heckler and Koch Universal LEM Kit for HK45 USP

HK MR762 A4 LR-308 Complete Upper Receiver 7.62x51mm NATO 13" Barrel

HK USP Jet Funnel Kit 9mm, 40 S&W Steel Blue

HK MR762 A4 LR-308 Complete Upper Receiver 7.62x51mm NATO 16" Barrel

Heckler and Koch Trigger Kit FullSize USP only

HK Mark 23 Thread Protector 45 ACP

HK USC, SL8 Handguard Rail

Heckler and Koch VP/P30/HK45 Night Sight Set

HK 51000935 VP/HK45/P30 ELEVATED NIGH SIGHTS

HK HK45 Threaded Barrel 45 ACP 5.2" Blue

HK MP5, SP5 Collapsible Stock Black

HK 51000932 VP/HK45/P30 STD DAY GLOW SIGHTS

Heckler and Koch Black 45/45C Ambi Control Lever Kit

HK Aluminum Receiver Rail for USC

HK USA VP9 Optics Ready Slide Kit Black Fits VP9/VP9-B

HK USP Compact Ambi Control Lever Kit

Heckler and Koch HK416 Selector Lever

Heckler and Koch HK416/MR556 Charging Handle Release Latch Black

Heckler and Koch HK416 Receiver Extension Nut