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 G36, SL8 Handguard - Side, Bottom Mounting
H&K Heckler & Koch
$279.95HK German G36 & HK SL8 Forearm With Rail Mounting Points Newer style that has the hard mounting points for the side and bottom rails. HK Black In Color. Compatible with all HK SL8's & G36E's models.HKP-01420$279.95 -
HK VP9SK, VP40SK Grip Panel Right Side - Medium
H&K Heckler & Koch
$17.95H&K VP9SK, VP40SK Right Side Grip Panel - Medium - Black New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. ComHKP-18299$17.95 -
On Sale
HK VP9SK, P30SK Compensator - Rail Adapter
HKP HK Parts
Now: $22.28Was: $34.95Comp Weight™ Rail Adapter - VP9SK & P30SK The HK Parts Comp Weight™ rail adapter is designed to easily screw on to your quick detach Comp Weight™ by replacing the quick detach lever. This is designed...hkp-18901Now: $22.28Was: $34.95 -
On Sale
B&T TP9, MP9 Folding Stock Locking Bar
B&T Brugger & Thomet
Now: $17.96Was: $19.95B&T TP9 and MP9 Locking Bar Folding Stock Locking Bar for Swiss B&T manufactured Tactical Folding Stock for the TP9 and MP9. Compatible With: B&T TP9HKP-17302Now: $17.96Was: $19.95 -
Out Of Stock
B&T APC223, APC300 Telescopic Stock - 3 Position
B&T Brugger & Thomet
$650.00B&T APC223, APC300 3-Position Telescopic Stock Swiss-made B&T telescopic stock for the APC223 and APC300. This is a military-grade factory stock supplied by B&T to law-enforcement and military...HKP-18312$650.00 -
HK VP9SK Grip Panel Left Side - Large - FDE
H&K Heckler & Koch
$19.95H&K HK VP9SK Grip Panel Left Side - Large - FDE 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...HKP-18959$19.95 -
HK VP9SK Grip Panel Right Side - Small - FDE
H&K Heckler & Koch
$16.95Heckler and Koch VP9SK Right Side Grip Panel - Small - FDE HK German manufactured. Right side small size perfect for spare or for custom stippling projects. Drop in part for your HK VPSK pistol...HKP-18973$16.95 -
On Sale
HK416, MR556 M-LOK Handguard with Overgrip - 11"
B&T Brugger & Thomet
Now: $187.46Was: $365.00B&T M-LOK Handguard OG for HK416/MR556 (11") with "Overgrip" Free-cut Top Rail B&T's one-piece 11-inch M-LOK handguard for the Heckler & Koch HK416 and civilian equivalent MR556 is an amazing...HKP-20403Now: $187.46Was: $365.00 -
HK MP5K Pistol Stabilizing Brace - SBA4 - Adapter Included - FDE
SB Tactical
$294.95SB Tactical HK MP5K SBA4 Pistol Stabilizing Brace & Adapter - FDE MP5K, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling...HKP-20353$294.95 -
HK MP5, MP5K Trigger Pack - 9mm - Ambi 0,1 - 5-6lb Trigger Pull
HKP HK Parts
$539.95HKP/H&K MP5/MP5K 9mm 2 Position 0,1 Ambidextrous Trigger Pack Our enhanced trigger packs begin as full auto packs and are professionally converted to BATFE specifications, ensuring compliance and...HKP-20313$539.95 -
On Sale
HK P30 Grip Wrap for Medium Backstraps - Rubber
Talon Grip
Now: $18.00Was: $19.99TALON Grip - H&K P30 - Rubber Black - Medium Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so...HKP-20252Now: $18.00Was: $19.99 -
HK USC, UMP Bolt Carrier - Semi Auto - 9mm - Incomplete
Michaels Machines
$499.95HK UMP 9mm - Semi-Auto Bolt Stripped The semi-auto bolt is required for HK USC to HK UMP caliber conversions. The full-auto bolt carrier will not work in HK USC rifles. Features: Tungsten filledHKP-19871$499.95