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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On Sale
HK91, G3 Bolt Head Complete - US Made
USA
Now: $134.96Was: $149.95Bolt Head - Complete This item is a complete bolt head using a combination of new HK German and New US-made parts. This part counts as 1 US-made compliant part for the 922r compliance. Compatible...HKP-00839Now: $134.96Was: $149.95 -
HK91, G3 Handguard - Slimline Style - Jungle Green - Used Excellent
H&K Heckler & Koch
$29.95H&K 91/G3 (7.62x51/.308) Slimline Forearm - Jungle Green - Used Excellent Used in excellent shape. These are a nice addition to the collection. Compatible With:HKP-19042$29.95 -
HK Cable Gun Lock
H&K Heckler & Koch
$19.95HK Cable Gun Lock This is the same lock that ships with factory HK firearms.HKP-02442$19.95 -
On Sale
HK MP5K, AP5-P Recoil Rod Assembly
MKE
Now: $51.97Was: $64.95MKE HK AP5P/MP5K Recoil Rod Assembly The recoil spring assembly is a great item to have on hand for replacement and spares as this is a consumable wearable part. Compatible With: HK SP5HKP-22389Now: $51.97Was: $64.95 -
On Sale
HK USPC Compensator - MOD 1 - 9mm, .40 S&W
HKP HK Parts
Now: $143.96Was: $179.95HKP HK Parts 9mm and .40 S&W MOD 1 Compensator for HK USPCHKP-22071Now: $143.96Was: $179.95 -
On Sale
HK91, G3 Stock - PRS Gen 3
Magpul
$274.09 - $429.95Magpul HK G3 / HK 91 PRS Gen 3 Stock - Available in Multiple Color Options The PRS GEN3 is a field precision stock for AR15/M16 and AR10/SR25 platforms, featuring tool-less length of pull and cheek...HKP-21172-M$274.09 - $429.95 -
HK VP9SK Magazine - 14 Round – Red
HKP HK Parts / Heckler & Koch
$69.95HK VP9SK & P30SK 9mm – 14 Round Magazine New German VP9SK/P30SK HK manufacture 10 round magazine body, follower, spring, locking plate combined with the HK Parts +2 magazine extension installed &...HKP-20889$69.95 -
On Sale
B&T 30 Round BT USW-A1 9mm Magazine
B&T Brugger & Thomet
Now: $49.50Was: $55.00B&T 30 Round BT USW-A1 9mm Magazine Swiss B&T manufactured 30 round magazine for the USW-A1 9mm. These B&T's USW replacement magazines feature the same reliability as the mags that ship with new B&T...HKP-18353Now: $49.50Was: $55.00 -
HK VP9, VP40 Grip Panel Right Side - Small
H&K Heckler & Koch
$18.95H&K VP9, VP40 Grip Panel Right Side - Small - Black New HK German manufactured. Left side, medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VP Pistol. CompatiblHKP-16811$18.95 -
HK G36, SL8 Extractor
H&K Heckler & Koch
$79.95G36 & HK SL8 German Extractor For Bolt Head New HK German. This is a great item to keep as a spare. Compatible With: All G36 Variants SL8-1,HKP-00287$79.95 -
On Sale
HK21, HK21E, HK23E, HK11A1 Barrel Handle
Michaels Machines
Now: $67.46Was: $74.95HK 21, 21E, 23E, HK11 Barrel Handle US-made barrel handle. A great alternative for the original barrel handles that are no longer in production. Available in black or OD green and compatible with 5...HKP-00244-MNow: $67.46Was: $74.95 -
On Sale
HK91, G3 Extended Carbine Length Handguard - M-LOK
AIM
Now: $107.96Was: $119.95HK G3 EXTENDED CARBINE LENGTH HANDGUARD- M-LOK The most innovative and modular HK variant handguard on the market, our M-LOK HK forend can be used with all modern and traditional shooting techniques...HKP-18172Now: $107.96Was: $119.95