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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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 -
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 -
Out Of Stock
HK MP5K Trigger Housing - 4 Position Pictogram 0,1,3,F - Push Pin - 9mm
H&K Heckler & Koch
$399.95H&K MP5K 9mm 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin This new HK German MP5K 4 position trigger housing features the 0,1,3,F pictogram and is designed as a factory push pin style housing. It is not clipped and pinned, suitable for...HKP-02184$399.95 -
HK MP5N Parts Kit - A3 Buttstock and Navy 3 Position Lower - RARE
H&K Heckler & Koch
$2,958.95H&K MP5-N Parts Kit 100% German - A3 Stock & Navy 3 Position Lower - RARE All German HK MP5 Navy parts kit with 3 lug and threaded barrel, Action 3 bolt group, A3 retractable stock, 3 position navy lower, one 30 round curved...HKP-15172$2,958.95 -
HK MP5 Pistol Parts Kit - 9mm - Receiver Flat and Weldment Set
H&K Heckler & Koch
$1,689.95H&K MP5 9mm Pistol Build Kit With Flat & Weldment Set Each MP5 9mm parts kit started life as an iconic German manufactured MP5 that was issued to the border guard and military police for service. During that service, they were carried a ton but...HKP-16606$1,689.95 -
HK MP5 Folding Stock - 3 Position Adjustable
B&T Brugger & Thomet
$389.95B&T Brugger & Thomet 3 Position Adjustable Folding Stock for HK MP5 Swiss made B&T folding and length adjustable stock for the HK MP5. This is a military grade stock as supplied by B&T to military and law enforcement units world-wide...HKP-18100$389.95 -
HK MP5, HK94, HK34 Barrel - 9mm - 12.7"- Threaded 1/2x28
RCM
$204.95RCM MP5, HK34, HK94 Barrel - 9mm - 12.7"- Threaded 1/2x28 Each barrel is hand-selected from the finest cold hammer forged (CHF) 41V45 steel blanks, expertly profiled and chambered in the desirable 16 flute chamber profile. Finished with a...HKP-17762$204.95