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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Out Of Stock
HK417, MR762, G28 Gas Block
H&K Heckler & Koch
$199.95H&K MR762/417/G28 Gas Block New German HK manufacture for the HK MR762 & HK417, G28 firearm. This unit comes without the sling loops installed. Compatible With: HK MR762 HK 417 HK G28HKP-17259$199.95 -
Out Of Stock
HK MP7A1, MP7A2 Magazine Loader
H&K Heckler & Koch
$84.95Heckler and Koch HK MP7A1, MP7A2 Magazine Loader New factory HK German magazine loader for the MP7. Correct OEM tool for loading MP7 magazines. Compatible With: MP7A1 MP7A2HKP-18848$84.95 -
Light Mount - Tactical TLR-3
Streamlight
$154.95Streamlight, TLR-3, Tactical Light, C4, 170 Lumens, Black Finish, with Batteries Features: Powered by one CR123A battery IPX7 waterproof Impact resistant polymer body Ambi, multi-function momentary/ steady on-off switch White LED Light Ultra lightweight...HKP-16919$154.95 -
HK MP5K 3-Position Folding Adjustable Stock
B&T Brugger & Thomet
$494.95B&T HK MP5K 3-Position Folding Adjustable Stock Swiss made B&T folding and length adjustable stock for the HK MP5K and compatible. This is a military grade stock as supplied by B&T to military and law enforcement units world-wide. B&T AG...HKP-18243$494.95 -
HK MR556, MR762 H-Key 11 Rail Segment
HKP HK Parts
$34.95HKP HK MR556/CR556/MR762 H-Key 11 Rail Segment 11 slot rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style forearms now being shipped on the MR556, CR556, MR762 and similar models...HKP-17845$34.95 -
Out Of Stock
HK416, MR556 M-LOK 9" Handguard
HKP HK Parts
$199.95HK MR556 & HK416 9" M-LOK Forearm Specifications: Weight: 10.2 oz MADE IN THE USA BILLET MACHINED MUCH LIGHTER THAN THE HK FACTORY FOREARM OFFERINGSHKP-17981$199.95 -
HK416, MR556 Firing Pin Catch - Titanium
HKP HK Parts
$49.95HKP HK Parts HK416 and HK MR556 Firing Pin - Titanium Made in the US from grade 6 Titanium. Get the lightest, strongest firing pin available for your HK firearm. Compatible With: HK416, MR556 HK M27HKP-17767$49.95 -
Out Of Stock
HK G36, SL8 Piston Rod Spring
H&K Heckler & Koch
$9.99Heckler and Koch Piston Rod Spring for HK G36 and HK SL8 A must-have spare repair and replacement part. New HK German factory part. Compatible With: G36 SL8HKP-01863$9.99 -
Out Of Stock
HK G36 Magazine Spring - 30 Round
H&K Heckler & Koch
$9.95HK G36 30 Round Magazine Follower Spring New German HK G36 30 round magazine spring. A high wear and replacement item. Compatible With: G36 G36K G36C Sl8-G36 conversions that use the G36 magHKP-16363$9.95 -
HK G36K Handguard - Extended - Picatinny Rail
H&K Heckler & Koch
$149.95HK G36K German Factory Picatinny Extended Bottom Rail Fits all HK G36K newer style handguards with the rail attachment points. This is the full-length version for a full-length bottom rail for the G36K forearm. New HK German manufacture.HKP-01137$149.95 -
Out Of Stock
HK G36C, G36K Gas Piston - US Made
USA
$49.95HK G36C/G36K Gas Piston New Tom Bostic US Made G36C & G36K Gas Piston. Counts as one US made compliant part for your SL8 - G36C or G36K style conversion. This is one of the best parts to use on the conversion as it is one of the cheapest ways to get...HKP-17277$49.95 -
Out Of Stock
HK USC (.45 ACP) Bolt Group- Incomplete
H&K Heckler & Koch
$699.95HK German USC .45 Factory Semi Bolt - Incomplete HK German USC, Omega GS 45 caliber bolt carrier that is stripped. Just add the firing pin, firing pin spring, extractor and firing pin retaining pin for a complete bolt. Made in Germany.HKP-17011$699.95