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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HK MP5 Brace With Direct Fit Adapter
HKP HK Parts / SB Tactical
$299.95HK MP5 Brace With Direct Fit Adapter Each brace comes assembled ready to install no assembly required. This complete brace will come assembled with our own HK Parts stock adapter. CNC machined aircraft grade aluminum with QD sling attachment point. Made...HKP-20214$299.95 -
HK417, MR762 Rear Diopter Sight
H&K Heckler & Koch
$139.95H&K HK MR762/417 Rear Diopter Sight Specifications: Fits: 12", 16.5", 17", & 20" barrel lengths. Compatible With: HK MR762 HK 417 HK G28HKP-02547$139.95 -
Out Of Stock
HK416, MR556 Flash Hider - 3-Prong - 1/2x28
Surefire
$168.95Surefire (5.56/.223) 3-Prong Flash Hider - Threaded 1/2x28 The flash hider is engineered for M4/M16 and variants with 1/2x28 muzzle threads. Its patent-pending design reduces muzzle flash by over 99% compared to a plain muzzle. Built from US...HKP-17261$168.95 -
HK G36, SL8, UMP, USC Handguard Sling Loop - Ambidextrous
H&K Heckler & Koch
$40.95UMP, USC, SL8, & G36 Ambidextrous Sling Loop Or Eyebolt For Sling - German HK The addition of the HK eyelet creates a sling attachment point that will enable you to mount a sling using any of the hard mounting points located on the forearm of the...HKP-00611$40.95 -
HK Rear Sight Adjustment Tool - Red Handle
H&K Heckler & Koch
$123.95H&K German Red Handled Rear Sight Adjustment Tool A must-have sight tool for all HK 90 series rifles, as well as the HK 416, MR556, and HK 417 rifles. Works to adjust any rear diopter-type HK sight for both elevation and windage. We also offer an...HKP-00080$123.95 -
HK91, G3 Trunnion - Used
H&K Heckler & Koch
$39.95HK German HK G3 & HK 91 Trunnion - Used These trunnions are from demilled G3 parts kits and will have leftover receivers and barrel stubs installed along with factory barrel pins. Please note the picture shows one with the demilled parts removed...HKP-00718$39.95 -
Out Of Stock
8" Picatinny Mount Stock or Brace Bar - JMAC Customs
JMAC Customs
$279.858" Picatinny Mount Stock or Brace Bar - JMAC Customs (A)rm(B)ar(8)inch(R)ise + AB-BA Brace Adapter + our 1913 Folding Mech (not assembled) Features: Modular Design - Brace/Stock with many mounting options Integrated QD Sling Socket 8" Length 7075...HKP-21247$279.85 -
$3.95 -
HK SP5 Stock or Brace Adapter - Folding
HKP HK Parts
$159.95HKP HK SP5 Folding Brace/Stock Adapter Our HK Parts stock adapter was made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points. Properly buffered with factory correct “H” buffers to protect your...HKP-20644$159.95 -
Bore Boss Pull-Through Bore Cleaner - 7.62 / .308 / .30
Real Avid
$10.95Real Avid Bore Boss Pull-Through Bore Cleaner - .30/.308/7.62mm From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready, hassle-free, pure-genius bore cleaner. The...HKP-19399$10.95 -
HK417, MR762 Handguard - Extended Picatinny
H&K Heckler & Koch
$656.95HK MR762, HK 417 Extended Picatinny Handguard Complete HK German manufacture. Each unit comes with both of the mounting screws. HK's extended 13" rail allows for longer sight radius and more rail space for your MR762 or HK417. The MR762 comes from the...HKP-16656$656.95 -
On Sale
HK416, COLT M4 Magazine Spring - .22LR - 20 Round
HKP HK Parts
Now: $1.95Was: $3.95HKP 20 Round HK416 .22LR and Colt M4 .22LR Magazine Spring A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out. New production mag spring for your Umarex HK416 & Colt 20 round 22...HKP-14410Now: $1.95Was: $3.95