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 P2000 Backstrap with Safety - Medium - Black - USED
H&K Heckler & Koch
Now: $14.96Was: $44.95HK P2000 Backstrap w/ Safety - Medium - Black - USED SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BHKP-01566-USEDNow: $14.96Was: $44.95 -
On Sale
Picatinny Optic Mount Shield - Aimpoint T1, H1 - S.W.O.R.D.S
Frost Defense
$176.97 - $186.95Aimpoint T-1, H-1 Optic Mount - S.W.O.R.D.S - Picatinny Mount The S.W.O.R.D.S Enhanced optic shield designed for Aimpoint T1, H1 red dot sights. This patent-pending mount system provides robust glare...HKP-22340-M$176.97 - $186.95 -
On Sale
HK416 A5 Bolt Carrier
H&K Heckler & Koch
Now: $1,162.46Was: $1,997.95H&K HK416 A5 Bolt Carrier Factory HK416 A5 full auto bolt carrier. This carrier is backwards compatible with earlier HK416 A1 and A3 variants. Features the updated captive firing pin retaining...HKP-22328Now: $1,162.46Was: $1,997.95 -
Out Of Stock
B&T APC223, APC300, APC308 Stock Conversion Kit
B&T Brugger & Thomet
$165.00B&T Brugger and Thomet Stock Conversion Kit for APC223, APC300, APC308 B&T factory stock conversion kit for converting a retractable brace system to a retractable stock system. Also great to have...HKP-22276$165.00 -
HK 90 Series Locking Roller for Bolt Head - 7.96mm
MKE
$28.95MKE -4 Roller for Bolt Head 7.96mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. Made in Turkey by MKE on HK tooling. Please Note:HKP-22238$28.95 -
Out Of StockOn Sale
B&T GHM9, GHM45, KH9 Stock Conversion Kit
B&T Brugger & Thomet
Now: $148.50Was: $165.00B&T GHM9 Stock Conversion Kit Converts the telescopic brace into a telescopic stock or can be used as a replacement for a damaged unit. Compatible with B&T telescopic braces BT-20517 and BT-HKP-22229Now: $148.50Was: $165.00 -
On Sale
Century Arms AP5 Flash Hider - Incomplete
MKE
Now: $37.46Was: $79.95MKE AP5 Incomplete Flash Hider The MKE AP5 and MKE AP5-P OEM flash hider is an essential spare for anyone needing to replace a broken or damaged flash hider body. With a straightforward process, you...HKP-22223Now: $37.46Was: $79.95 -
HK CC9 Slide Release Pin
H&K Heckler & Koch
$5.95H&K CC9 Slide Release Pin Genuine H&K CC9 slide release pin secures the slide release lever to the frame. Compatible With:HKP-22121$5.95 -
On Sale
HK Magazine - .40 S&W 9 Round for HK P2000SK - USED
H&K Heckler & Koch
Now: $29.25Was: $49.00H&K Magazine - .40 S&W 9 Round for HK P2000SK - USED USED. USED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL.HKP-00307-BNow: $29.25Was: $49.00On Sale
HK P2000, USPC Magazine - .40 S&W - 10 Round - Black - USED
H&K Heckler & Koch
Now: $33.71Was: $54.95H&K 10 Round HK P2000/USPC .40 S&W Magazine - Black - USED USED.HKP-00311-BL-BNow: $33.71Was: $54.95Out Of StockOn Sale
Picatinny Optic Mount - 52mm - Skeleton - Aimpoint T Series
B&T Brugger & Thomet
Now: $115.50Was: $165.00B&T QD Mount "Skeleton" for Aimpoint T Series 52mm B&T universal Picatinny mount 52mm QD riser mount for the Aimpont T Series of optics. Quickly attach and detach your Aimpoint T Series optic with...HKP-21772Now: $115.50Was: $165.00Out Of Stock
B&T APC9, GHM9, SPC9 Lower Trigger Group - Aluminum
B&T Brugger & Thomet
$689.95B&T Aluminum Lower Trigger Group for APC9, GHM9, SPC9 B&T factory semi-auto lower trigger group for all APC9, SPC9, and GHM9 platforms. Made from hard-coat anodized aluminum. Compatible With:HKP-21756$689.95