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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
On Sale
HK P2000, P2000SK Rear Night Sight - Tru-Dot - Green
Meprolight
Now: $45.47Was: $64.95Meprolight HK P2000, P2000SK Tru-Dot Rear Night Sight - Green Features: Unequaled low light performance Brightest night sights available todayHKP-16594Now: $45.47Was: $64.95 -
HK P2000 Barrel - 9mm - 3.36"
H&K Heckler & Koch
$319.95New HK German HK P2000 Barrel 9mm Brand new cold hammer forged 9mm P2000 barrel. Perfect for those who want to have a spare or for caliber conversion swaps.HKP-01570$319.95 -
HK USP Compact V3 Control Lever
H&K Heckler & Koch
$32.95HK USPC V3 Control Lever Compatible With: HK USP Compact 9mm HK USP Compact 357 SIG HK USP CompHKP-01436$32.95 -
Out Of Stock
HK416, MR556 Rear Sight Drum for 14.5" and 16" Barrel
HKP HK Parts
$29.95HKP HK MR556/416 Rear Sight Drum 14.5&" & 16" Barrel Made in the USA.HKP-17775$29.95 -
HK416, MR556 Axis Rivet
H&K Heckler & Koch
$4.95Heckler and Koch HK MR556/416 Axis Rivet New HK German HK 416 Rivet. Compatible With: HK MR556 HK 416HKP-16776$4.95 -
HK416, MR556 Magazine Follower - Steel Maritime
H&K Heckler & Koch
$14.95H&K HK MR556/416 Steel Maritime Magazine Follower Compatible With: HK 416 factory magazines such as 30, 20 and 10 roundHKP-15452$14.95 -
HK G36, SL8 Sling Pin Retaining Clip for Handguards
H&K Heckler & Koch
$13.95HK G36 & SL8 Sling Pin Retaining Clip Compatible With: HK G36 HK G36K- older version only HK SL8-1 , SL8-6 Factory ForearmHKP-16366$13.95 -
HK23E, HK13E, G43 Extractor - 7.62x51 / .308, 5.56 / .223
H&K Heckler & Koch
$119.95HK23E & HK13E Extractor New HK German and no longer in production. Compatible With: MM 23E HK 13EHKP-00818$119.95 -
HK21E, HK23E, MSG90 Optic Mount - Picatinny Rail
Michaels Machines
$687.95HK21E/23E Or MSG90 Quick Release Full Picatinny Rail Scope Mount Rock-solid scope made in the USA to factory HK specs. Available exclusively at HK Parts. Please Note: These units are shipped in bulk...HKP-01923$687.95 -
On Sale
HK91, G3, PTR Folding Stock
Choate
Now: $92.41Was: $144.95HK 91, G3, PTR Side Folding Stock No gunsmith is needed as this is an easy install using your hardware from your existing fixed A2 stock. This counts as one US-made compliant part. Compatible With:HKP-00516Now: $92.41Was: $144.95 -
On Sale
HK33, HK53, HK93 Trigger Group - 5 U.S. 922r Parts
PTR
Now: $350.96Was: $389.95HK 93,33,53 5.56/.223 Semi Auto Trigger Group Complete The components that count towards 5 of the 922r compliant parts include tHKP-16259Now: $350.96Was: $389.95 -
On Sale
Ergo M-LOK Harris Bipod Mount
Ergo
Now: $23.77Was: $33.95M-LOK Harris Style Bipod Mount Features: Contoured to fit Harris-style bipods Black anodized 6061-T6 alum.HKP-17851Now: $23.77Was: $33.95