Parts
At HK Parts, we offer a wide range of high-quality Heckler and Koch accessories and components for your favorite firearms. Whether you are upgrading a Heckler and Koch pistol or rifle, or building with parts kits, we have you covered. Explore top-rated components for VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, find the parts you need to enhance performance, reliability, and function.
Popular upgrades include match triggers, threaded barrels, compensators, optic plates, and extended magazines. Rifle owners often add enhanced stocks, forearms, and ambidextrous controls.
MP5 and MP5K kits are top sellers, giving shooters authentic components for iconic builds. G36 and HK416 kits are also highly sought after by collectors and professionals alike.
HKP offers the world’s largest H&K-focused catalog, with better availability, faster fulfillment, and expert support compared to general retailers.
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Out Of Stock
HK P7 Series Firing Pin
H&K Heckler & Koch
$0.00Heckler and Koch HK P7 Series Firing Pin Compatible With: HK P7 PSP HK P7 M8 HK P7 M10HKP-00796$0.00
HK P7M8, P7M10, P7M13 Front Sight 7.0mm
H&K Heckler & Koch
$47.95Front Sight 7.0mm Compatible With: P7M8 P7M10 P7M13HKP-01392$47.95Out Of Stock
HK P7M10 Magazine - 10 Round - .40 S&W
H&K Heckler & Koch
$0.00HK 10 Round P7M10 .40 S&W Magazine New HK German P7 M10 40 cal 10 Round Magazine. Rare And No Longer In Production.HKP-00300$0.00
HK Mark 23 Buffer Recoil Assembly Spring Washer
H&K Heckler & Koch
$9.95H&K HK Mark 23 Buffer Recoil Assembly Spring Washer This washer has a recessed groove for the spring on the end of the recoil assembly.HKP-16641$9.95Out Of StockOn Sale
HK P30 Firing Pin - Titanium
HKP HK Parts
Now: $29.95Was: $49.95HKP HK P30 Series Titanium Firing Pin A solid billet CNC offering that's 40% lighter than comparable steel firing pins. Our titanium firing pins travel faster in the slide, delivering a quicker lock...HKP-17828Now: $29.95Was: $49.95Out Of Stock
HK P2000SK Backstrap - Medium - Black
H&K Heckler & Koch
$25.95H&K P2000SK Backstrap - Medium - Black New HK German medium backstrap without lockout safety for HK P2000SK models. Compatible With: PHKP-02491$25.95
HK45 Compact, USP Compact Recoil Spring Guide Rod - Stripped
H&K Heckler & Koch
$79.95Heckler and Koch Stripped Recoil Spring Guide Rod for HK45 Compact, USP Compact German-made steel recoil spring guide rod for the HK45C and USP Compact .45 ACP. This is the stripped guide rod only...HKP-02245$79.95Out Of Stock
HK USP, Mark 23 Magazine Body - .45 ACP - 12 Round
H&K Heckler & Koch
$0.00H&K 12 Round HK USP/Mark 23 .45 ACP Magazine Body New HK German 12 round all steel magazine housing. Compatible With: HK USP .45HKP-16646$0.00Out Of Stock
HK USP Barrel - .45 ACP - 6.02" - Match
H&K Heckler & Koch
$0.00H&K HK USP .45 ACP Barrel - Match The real deal factory HK Match barrel. This barrel will fit all HK USP .45 full size models. If you want a longer barrel for your HK USP 45 or USP 45 Tactical this...HKP-17508$0.00Out Of Stock
HK USP Firing Pin - Old Style - Titanium
HKP HK Parts
$59.95HKP HK USP Older Style Titanium Firing Pin HK stopped making or supporting the older/original style USP firing pin. In an effort, to support all of HK's customers we now offer our "enhanced" titanium...HKP-01287$59.95Out Of Stock
HK USP Tactical Barrel - 9mm- Threaded 13.5x1 LH
H&K Heckler & Koch
$0.00Heckler and Koch HK USP 9mm Tactical Barrel - Threaded 13.5x1 LH This barrel is a drop-in replacement barrel for standard full-size USP 9mm Pistols. Cold hammer forged, polygonal rifled, and made in...HKP-00797$0.00Out Of Stock
HK USP New Style Hammer Strut
H&K Heckler & Koch
$0.00Heckler and Koch HK USP New Style Hammer Strut Compatible With: HK USP 9mm Full Size HK USP 40 S&W Full SizeHKP-01661$0.00