HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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HK416, MR556 Carbine Handguard - 9" - M-LOK
MI Midwest Industries
$229.95MI Midwest Industries 9" Carbine Handguard for M-LOK Compatible HK416 and HK MR556 Features: Made in the USA Simple installation, direct replacement for HK factory handguard Retains factory barrel nut Mil-Spec top rail Seven sides of...HKP-18436$229.95 -
HK23E, HK13E Firing Pin
H&K Heckler & Koch
$109.95H&K 23E/13E (5.56/.223) Factory German Firing Pin New HK23E & HK13E factory German firing pin. These firing pins are no longer in production from HK. We have a limited number available and once they are gone, they are gone for good...HKP-00820$109.95 -
Out Of Stock
PTR 32 Complete Bolt Head - 7.62x39 - US Made
$199.95PTR 32 (7.62x39) Complete Bolt Head - US Made This item is a complete bolt head using a combination of new HK German and new US-made Parts. Bolt Head counts as one US-made compliance part for the 922r compliance. Compatible With: All HK PTR-32 7.62 X...HKP-02280$199.95 -
HK33, HK53, HK93, HK91, G3 Paddle Magazine Release - Anti-Rattle
H&K Heckler & Koch
$64.95Heckler and Koch Anti Rattle Paddle Magazine Release This item is a new HK German genuine part not used or surplus for installation on all HK .223 and .308 HK rifles. This is the highly desired anti-rattle-style paddle mag release. Compatible...HKP-01126$64.95 -
HK91 Handguard - Carbine Length - M-LOK
AIM
$64.95HK 91, PTR RIFLE LENGTH HANDGUARD - M-LOK This sleek streamlined design is an ultra low profile handguard with generous mounting space to accept all M-LOK accessories. Superior ergonomics and simple, drop-in installation makes this the best HK pattern...HKP-18177$64.95 -
HK MP5 Bolt Hold Open Axle Roll Pin - .40 S&W, 10mm
H&K Heckler & Koch
$8.95H&K MP5 40/10 Bolt Hold Open Axle Roll PinHKP-01634$8.95 -
HK MP5, HK94, SP5K Rear Sight Drum and Base
H&K Heckler & Koch
$109.95Heckler and Koch Rear Sight Drum and Base for HK MP5, HK94, and HK SP5K This is an HK German part that's a great upgrade for the SP5, SP5K, and SP89 or MP5K models. We highly suggest adding the following items to complete the rear sight set that's not...HKP-00073$109.95 -
Out Of Stock
HK MP5 A2 Fixed Buttstock - USED
H&K Heckler & Koch
$149.95H&K Heckler & Koch Used A2 Rear Buttstock for HK MP5 Factory German MP5 A2 buttstock in excellent condition, ready to drop in. These stocks feature authentic date codes for those seeking a classic touch. Don’t miss out. Only a limited...HKP-00680$149.95 -
Out Of Stock
HK XX Marked 9mm Strutted Hammer
H&K Heckler & Koch
$159.95HK XX Marked 9mm Strutted Hammer Compatible With: MP5, 94, SP5 MP5K, SP89, SP5K MP5 40, MP5 10 Clones or other custom buildsHKP-00148$159.95 -
HK416, MR556, HK417, MR762 Tactical Grip - Dark Earth
Ergo
$52.95Ergo Grip PSG1 Style Grip For MR556 & MR762- DARK EARTH Just in and a great upgrade if you want the PSG1 style grip frame for your HK MR556, MR762 & HK416, HK417, G28 firearm. The ergonomically enhanced ERGO Tactical Deluxe Grips fits all AR15,...HKP-17192$52.95 -
HK MP5 Metal Trigger Housing Conversion Kit - AC Unity Grip
HKP HK Parts
$189.95HK MP5 Metal Trigger Housing Conversion Kit - AC Unity Grip This kit includes everything you need to convert a polymer MP5 trigger group a robust metal housing. Simply use your existing semi-auto SEF trigger pack to complete the conversion. This...HKP-22321$189.95 -
HK MP5 Optic Mount - .22LR - Raised - Aimpoint ACRO
HKP HK Parts
$119.95HKP HK MP5 .22LR Aimpoint ACRO Sight Mount - Raised Height MP5 .22LR raised height mount for the Aimpoint ACRO mounting interface. Our ACRO mounts provide an unobstructed view of the factory HK sights through the mount giving the shooter the best of...HKP-22248-M$119.95