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
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 -
HK Ump, USC Handstop Screw - Cylindrical
H&K Heckler & Koch
$9.95HK German Hand Stop Screw #21 Cylindrical screw, handstop 5 x 16 mm 219414HKP-16736$9.95 -
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 -
Out Of Stock
HK21E, HK23E Complete Recoil Rod Assembly
H&K Heckler & Koch
$0.00HK 21E, 23E Recoil Rod Assembly Complete Great item to have on hand as this is a high wear and replacement item. Compatible With: HK 21E HK 23E MM23E MM21E Other custom builds or clonesHKP-00570$0.00 -
Semi-Auto SEF Trigger Group - .308
H&K Heckler & Koch
$549.95HK German SEF SEMI .308 Clipped & Pinned Trigger Group The new HK German-made semi-auto trigger group comes in .308 caliber already clipped & pinned. Compatible With: HK 91 HK G3 C308 PTR-91 HK .308 rifles. SEF Navy Style Trigger Group...HKP-00210-CP$549.95 -
HK91, G3 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin
H&K Heckler & Koch
$459.95H&K 91/G3 (7.62x51/.308) 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin This authentic German HK trigger housing features a 4 position pictogram (0,1,3,F) and is designed for push pin style G3 or Zenith firearms. It is configured for use...HKP-17823$459.95 -
On Sale
HK33, HK53, HK93 Complete FBI Trigger Group - Clipped, Pinned
H&K Heckler & Koch
Now: $689.95Was: $849.95Heckler and Koch Complete FBI Trigger Group for HK33, HK53, HK93 - Clipped & Pinned Complete FBI-style trigger group for HK93, HK53, and HK33 pattern rifles chambered in 5.56 / .223. Manufactured from genuine Heckler and Koch German components...HKP-00019Now: $689.95Was: $849.95 -
On Sale
HK91 Handguard - Carbine Length - KeyMod
AIM
Now: $48.95Was: $84.95AIM CARBINE LENGTH KeyMod HANDGUARD for HK91 This sleek streamlined design is an ultra-low-profile handguard with generous mounting space to accept all KeyMod accessories. Compatible With: Carbine length variants only. Specifications: Black...HKP-18178Now: $48.95Was: $84.95 -
HK33K Barrel - 300 BLK - 12.5" - Threaded 5/8x24
RCM
$234.95RCM HK33K .300 BLK K Length Barrel - Threaded 5/8x24 Each barrel is designed for use with popular AAC-Style quick detach muzzle brakes and suppressors featuring a 5/8x24 thread pitch. It is also suitable for most .300 BLK suppressors and applications...HKP-16952$234.95 -
Out Of Stock
HK MP5 Trip Lever - Modified - .40 S&W, 10mm
H&K Heckler & Koch
$24.95HK German Trip Lever This has been modified and polished for HK-registered sear packs (Fleming, Qualified). This item is set up for use with MP5 40/10 trigger packs. This is the friction type of trip lever for SEF or Navy sear packs. Please Note: This...HKP-00415$24.95 -
HK MP5, MP5K Locking Piece - 100 Degree - Extra Low Impulse - .40 S&W, 10mm
HKP HK Parts
$49.95HKP MP5/K 40/10 Locking Piece - Extra Low Impulse Marked 100 Degree For the MP5 40 or 10mm Firearms. Made out of enhanced material and heat-treated to spec. The #100 degree locking piece is an extra low impulse 40/10 locking piece. To be used with MP5...HKP-18273$49.95 -
Out Of Stock
HK MP5K Burst Trigger Housing - 3 Position Pictogram S,E,3F - Push Pin - 9mm - RARE
H&K Heckler & Koch
$0.00H&K MP5K 9mm 3 Position (S,E,3F Pictogram) Burst Trigger Housing - Push Pin - RARE This rare HK MP5K SE3F marked ambidextrous push pin trigger features a 3 position pictogram (S,E,3F) Safe, Semi, and 3-Round Burst. With only a few available in the...HKP-02015$0.00