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
HK91, G3, PTR .308 Magazine - 10 Round - BLEMISHED
H&K Heckler & Koch
Now: $39.95Was: $64.95H&K 10 Round HK 91, G3, PTR .308 Magazine - USED - BLEMISHED INSTALLATION MARKINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Each HK magazine is...HKP-19887-BNow: $39.95Was: $64.95 -
B&T Blast Deflector - Rotex IIA Interface - Glass Breaker
B&T Brugger & Thomet
$280.00B&T Blast Deflector with Glass Breaker - Rotex IIA Interface B&T blast deflector with glass breaker features a Rotex IIA Interface, designed to work with non-Pro APC223 and APC308 muzzle devices. Compatible With: B&T APC223...HKP-21776$280.00 -
B&T APC Stock or Brace Adapter - Picatinny - 9mm, 10mm, .40 S&W, .45 ACP - No Hydraulic Buffer
B&T Brugger & Thomet
$160.00B&T Picatinny Brace and Stock Adapter - APC9, APC10, APC40, APC45 - Without Hydraulic Buffer The B&T alloy stock and brace adapter for the APC9, APC10, APC40, APC45 features a rear Picatinny interface giving the user a myriad of shouldering...HKP-21759$160.00 -
Out Of Stock
B&T USW-G17 Conversion Kit
B&T Brugger & Thomet
$550.00B&T USW-G17 Conversion Kit Upgrade your Glock 17 with the B&T USW-G17 conversion kit, transforming it into a Universal Service Weapon for enhanced stability and control. This kit includes a folding stock for improved handling, an optics mounting...HKP-21733$550.00 -
FMP HK G3 Manual
$149.95FMP HK G3 Manual English-translated manuals for the Factory FMP G3 are available now. This is a rare collector's piece and the perfect item for those aiming to assemble a complete FMP G3 parts kit with an authentic factory manual. The cover is inscribed...HKP-21542$149.95 -
Out Of Stock
HK MP5, HK33, HK91 Take Down Pin - Push Button - Small
KNS Precision
$24.99KNS Precision HK Push Button Take Down Pin - Small .234" This 6mm (.234") diameter take-down pin has a spring-loaded push button. When the button is depressed, the stainless steel keeper detents retract for easy pin removal. The pin is designed to...HKP-21389$24.99 -
Vector Arms V51 Fixed Stock - USA
HKP HK Parts
$289.95HKP Vector Arms V51 Fixed Stock - USA Fixed A2-style stock assembly configured for the Vector V51 platform. Built using a PTR A2 stock section paired with an HKP V51-specific backplate, converted with the correct rear-collapsible rod and fitted with a...HKP-21269$289.95 -
HK Single Point Leather Sling - Brown
HKP HK Parts
$49.95Single Point Leather Sling - Brown Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...HKP-20161$49.95 -
HK VP9, VP40 Grip Panel Left Side - Medium - OD Green
H&K Heckler & Koch
$19.95H&K VP9, VP40 Left Side Grip Panel - Medium - OD Green New HK German manufactured. This grip is designed for the left side and comes in a medium size. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP Pistol. Compatible...HKP-19175$19.95 -
HK SL8-1 Locking Lever Housing - Incomplete
H&K Heckler & Koch
$9.95H&K HK SL8-1 Incomplete Locking LeverHKP-16367$9.95 -
Out Of Stock
HK G36, UMP, USC, SL8 Lower Compression Spring
H&K Heckler & Koch
$7.95HK G36, SL8, USC, & UMP Compression Spring For Index Plate - LowerHKP-01865$7.95 -
HK VP9SK Grip Panel Right Side - Large - Gray
H&K Heckler & Koch
$19.95Heckler and Koch VP9SK Right Side Grip Panel - Large - Gray Factory right-side grip panel manufactured by Heckler and Koch for the HK VP9SK pistol. This large-size panel provides proper fit and ergonomics and is suitable as a replacement component or...HKP-18955$19.95