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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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 -
HK90 Series S1 Curved Trigger - Skeletonized
HKP HK Parts
$68.95HKP 90 Series S1 Curved Trigger - Skeletonized - USA The HK Parts Skeletonized S1 curved 90 series trigger is expertly engineered for exceptional performance and reliability. It fits all 0, 1, SEF, and Navy style trigger packs effortlessly. Due to its...HKP-22180-M$68.95 -
Surefire ST Mounting Plate - Tape Switch - M-LOK
Magpul
$14.95Magpul M-Lok Tape Switch - Surefire ST The M-LOK tape switch mounting plate is designed to attach surefire ST pressure pads on M-LOK compatible systems. It is molded of the same high quality polymer as other Magpul products, combining light weight with...HKP-21480$14.95 -
HK MP5 ACR Stock and Adapter
Magpul
$599.95HK MP5 Magpul ACR Stock with HKP Adapter: The HKP adapter and Magpul ACR stock combo is a complete, drop-in ready unit. Magpul discontinued production of the ACR stock and we have just a few units left. Grab yours while you...HKP-21370-M$599.95 -
HK MP5, HK94, SP5 Magazine Spring - 20 Round
HKP HK Parts
$6.9520 Round Magazine Spring - HK MP5, 94, SP5 Fits all factory spec steel 20 round MP5, 94 style curved magazines. A must-have repair and replacement part great for spares.HKP-20687$6.95 -
HK G36K, G36C Rail - Side
HKP HK Parts
$24.95HK Aftermarket G36K/G36C Side Rail For Handguard This will fit the sides (left or right) of the forearm on the G36K and G36C forearms. Comes with all mounting hardware. Each rail is sold individually.HKP-00273$24.95 -
HK51, PTR PDW Folding Stock - Adjustable
Choate
$239.95Choate PTR PDW & HK 51 Tactical Folding Stock - Adjustable The adjustable length system lets smaller-stature shooters or officers wearing body armor have a weapon that fits their needs. This stock also has spacers to allow the stock to be lengthened...HKP-14537$239.95 -
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 -
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 -
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 -
HK SL8 to G36 Stock Block - Conversion - Pull Pin
HDPS
$389.95HDPS SL8 To G36 Stock Block This is the latest generation of a stock block with the pull pin, NOT the older style with the sling eyelets. The HDPS SL8 to G36 conversion stock block comes complete and includes a built-in buffer recoil rod, housing, steel...HKP-00807$389.95 -
HK MP5, MP5K 9mm Ambidextrous 0,1 Trigger Pack - Match
HKP HK Parts
$579.95HKP/H&K MP5/K 9mm 2 Position 0,1 Ambidextrous Match Trigger Pack We have one of the best HK gunsmiths in the country that is able to take hand picked German HK F/A trigger packs and modify them to semi-auto. This is done with the best and most...HKP-18424$579.95