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
HK MP5K Trunnion - Gunsmith Special
USA
Now: $18.71Was: $54.95HK MP5K Trunnion - Gunsmith Special US made HK MP5 trunnions sold as-is. Will require work before being functional. We recommend the work be performed by a professional gunsmith. The condition will...HKP-99090Now: $18.71Was: $54.95 -
HK VP9, VP40 Optic Mount, Aimpoint ACRO P-1, P-2
B&T Brugger & Thomet
$55.00B&T HK VP9 Mounting Base for Aimpoint ACRO P-1 and P-2 Upgrade your HK VP9 or VP40 with the B&T mounting base for Aimpoint ACRO optics. Made from high-quality steel, this durable mounting base...HKP-21863$55.00 -
On Sale
HK21, FMP Drum and Drum Hanger - 100 Round
H&K Heckler & Koch
Now: $1,188.95Was: $1,288.95HK Heckler and Koch HK21 and FMP Drum Hanger with 100 Round Drum Complete your HK21 or FMP21 build with the incredibly rare original H&K drum hanger and 100-round drum. These components have long...HKP-21509Now: $1,188.95Was: $1,288.95 -
HK P2000 Magazine Extension Kit - +10
HKP HK Parts
$64.99HKP HK P2000 +10 Magazine Extension Kit HK Parts magazine extension adds 10 additional rounds to the HK P2000 magazine with the simple swap of the floor plate & high-reliability mag spring. HKP...HKP-20811$64.99 -
HK P2000 Magazine - 20 Round
HKP HK Parts / Heckler & Koch
$99.95HK Parts and Heckler and Koch 20 Round Magazine for HK P2000 and HK USP9 Compact Specifications: HK P2000 +7 magazine extension coupled with a new full-size HK P2000, 13 round magazine fully asseHKP-20789$99.95 -
On Sale
Bolt Knob - Grenade - Titanium
Tactical Precision MFG
Now: $18.71Was: $48.99TPM - Grenade Bolt Knob - Titanium TPM grenade bolt knobs are a great way to dress up any rifle. It has a great feel and looks fantastic. Can also fit any 5/16x24 threaded bolt handle. GrenadeHKP-20776Now: $18.71Was: $48.99 -
HK SP5, AR, M4 Adapter - Stock or Brace
HKP HK Parts
$99.95AR, M4 Brace/Stock Adapter - HK SP5 This is the finest AR stock adapter available period. No other adapter compliments the lines of the HK 9X series better than the HK Parts AR adapter. A great way...HKP-20748$99.95 -
MI Side Folder with Lightweight Stock
MI Midwest Industries
$180.95MI Side Folder with Light Weight Stock Features: Made in the USA Heavy-duty side-folding mechanism constHKP-20065$180.95 -
Picatinny T1 Optic Mount - Absolute Co Witness - Quick Release
AIM
$38.95AimSports - T1 Quick Release Mount - Absolute Co-Witness Features a machined recoil lug and steel hardware to prevent wear between mounting surfaces. Utilizing a quick release base, the generously...HKP-19336$38.95 -
HK G36, G36C, G36K Magwell
HKP HK Parts
$49.95Magazine Well - Magwell FDE & RAL8K - HK G36 Allows use of all factory G36 and Magpul G36 magazines. This magwell fits all 30, 10, and 100 round magazines and drums. Compatible With: G36HKP-19300-M$49.95 -
Out Of Stock
HK XM8 Sling - Black
H&K Heckler & Koch
$99.95H&K HK XM8 Sling - Black New HK German XM8 Tactical Sling. The real deal and a rare HK collectible. Only a few available.HKP-17669$99.95 -
HK VP9SK Barrel - 9mm - 3.39"
H&K Heckler & Koch
$270.95H&K HK VP9SK Standard Barrel - Black Brand new HK German Standard Length VP9SK Barrel. Marked HK 9mmx19 Brand new cold hammer forged & made in Germany.HKP-18320$270.95