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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HK A3 Buttstock Protective Cover - Parkerized
H&K Heckler & Koch
$19.95H&K A3 Parkerized Stock Protective Cover The perfect replacement part for all HK G3, HK33, and MP5 collapsible stocks issued with steel covers. Complete with locking spring clips welded in place.HKP-20649$19.95 -
On Sale
HK Single Point Leather Sling - OD Green
HKP HK Parts
Now: $39.95Was: $49.95Single Point Leather Sling - OD Green 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-20163Now: $39.95Was: $49.95 -
Out Of Stock
HK G36, SL8 Roll Pin - Gas Piston
H&K Heckler & Koch
$9.95H&K HK G36, HK SL8 Roll Pin for Gas PistonHKP-16386$9.95 -
Out Of Stock
HK VP9SK Grip Panel Left Side - Thumb Rest - Medium - Black
H&K Heckler & Koch
$19.95H&K VP9SK Left Grip Panel w/ Thumb Rest - Medium - Black New HK German manufactured. Left side medium size with thumb rest perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18632$19.95 -
HK VP9SK, VP40SK Grip Panel Right Side - Large
H&K Heckler & Koch
$17.95H&K VP9SK, VP40SK Right Side Grip Panel - Large - Black New HK German manufactured. Left side large size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK HK VP40SKHKP-18301$17.95 -
HK VP40 Cocking Aid Filler Left & Right Set
H&K Heckler & Koch
$19.95H&K HK VP40 Cocking Aid Filler Left & Right Set - Black HK VP40 Filler set replaces the cocking aids for a "flat" cocking area rather than raised cocking aids as comes standard on the HK VP40 pistol. These are a drop in part for the HK VP40...HKP-17862$19.95 -
On Sale
CRKT Pilar Copper Knife - 2.38"
Now: $39.95Was: $72.95Columbia River Knife & Tool, PILAR COPPER, 2.38" Folding Knife, Plain Edge, Satin Finish, Copper and Stainless Steel Handle The Pilar Copper is a super compact everyday carry folder with distinctive minimalist design, a big colorful pop, and an epic...HKP-20556Now: $39.95Was: $72.95 -
On Sale
HK91, PTR-91 Bolt Head Complete
PTR
Now: $152.95Was: $179.95HKP PTR HK91 / PTR-91 Bolt Head Complete New PTR bolt head complete with extractor, extractor spring, roller retainer plate, pair of 8mm rollers. Ready to drop in to replace your worn out bolt head. Bolt head counts as 1 US made compliance part for the...HKP-20140Now: $152.95Was: $179.95 -
HK VP9, P30, HK45 Fixed Sight Set - Day and Night - Self Illuminated - Yellow
Meprolight
$119.95Meprolight HK45/HK45C, P30, VP9 Hyper-Bright Self Illuminated Day/Night Sight Set - Yellow Mepro Hyper-Bright fixed pistol sights feature an extremely bright contrasting colored ring front sight. The tritium is illuminated green to provide low-light and...HKP-19941$119.95 -
Out Of Stock
HK P30, VP9 Night Sights - Tritium Pro
Truglo
$94.95Truglo HK P30, VP9 Tritium Pro Night Sights Tritium Pro night sights designed for HK P30 and VP9 series pistols. These three-dot sights provide a standard white dot sight picture in daylight and self-illuminated green tritium dots in low-light or...HKP-19934$94.95 -
HK416, MR556 Magazine - 30 Round - Translucent
Lancer
$25.95Lancer, L5 Advanced Warfighter Magazine, 223 Rem/5.56, 30 Round, Fits AR Rifles, Translucent Lancer set out to engineer a better magazine; one with the reliability of steel, durability of polymer and weight of aluminum - the L5AWM. The magazine design...HKP-19558$25.95 -
On Sale
HK MP5 Trigger Group Burst - 4 Position - 013F - RARE - Like New
H&K Heckler & Koch
Now: $1,998.95Was: $2,479.95H&K HK MP5 4 Position Burst Trigger Group 0,1,3,F - Like New These rare trigger groups are in exceptional condition. Featuring a 4-position burst (0, 1, 3, F) trigger pack paired with the incredibly rare S, E, 3F, and F engraved housing...HKP-19483Now: $1,998.95Was: $2,479.95