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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Out Of Stock
HK416, MR556, HK417, MR762 Tactical Grip
Ergo
$54.95Ergo Grip PSG1 Style Grip For MR556 & MR762 Just in and a great upgrade if you want the PSG1 style grip frame for your HK MR556, MR762 & HK416, HK417, G28 firearm. The ergonomically enhanced ERGO Tactical Deluxe Grips fits all AR15, M16 and MR...HKP-17131$54.95 -
Out Of Stock
HK MP5 Barrel Retaining Pin - 5.015mm
H&K Heckler & Koch
$14.95H&K 90 Series Barrel Retaining Pin - 5.015mm Each barrel pin is used for installing a new or replacement barrel. HK suggests using a new factory barrel pin when installing or reinstalling an HK barrel. Compatible With: HK MP5, SP5, MP5K,...HKP-22284$14.95 -
On Sale
HK G36, HK33 Compensator - 15x1 RH - KeyMount (KeyMicro)
JMAC Customs
Now: $59.95Was: $99.95JMAC G36/HK33 (5.56/.223) Recoil Reduction Device - 2 Port Compensator 15-1 Threads - KeyMount (KeyMicro) Can be permanently attached to a 14.5" barrel to achieve 16" OAL. Compatible With: HK G36C (NOT compatible with first gen. HK G36C & Tommy...HKP-21254Now: $59.95Was: $99.95 -
HK G36, SL8 Paddle Magazine Release
USA
$17.95US Magazine Paddle Release for HK G36 and HK SL8 HK G36 Mag Release or mag catch. Compatible With: SL8 G36 G36K G36CHKP-18222$17.95 -
HK G36, G36K, G36C Bolt Head, Complete - Rare
H&K Heckler & Koch
$599.95Heckler and Koch HK G36, G36K, G36C Complete Bolt Head Rare new German HK bolt head for the G36, G36K, and G36C. This is the correct factory bolt head needed when converting the SL8 to use double-stack G36 magazines. The assembly comes complete with all...HKP-00636$599.95 -
Out Of Stock
HK MP7 Retractable Buttstock - 3-Position
H&K Heckler & Koch
$199.95H&K HK MP7 3-Position Retractable Stock New German HK Rare HK MP7 - 3 Position Retractable ButtstockCompatible with all MP7A1 and MP7A2 FirearmsHKP-18283$199.95 -
HK416, MR556 Extractor Axle Pin
H&K Heckler & Koch
$11.95HK MR556 & 416 Extractor Axle Pin This factory HK German part holds the extractor in place on the bolt head. This item needs to be changed each time it is removed per HK. Compatible With: HK MR556 HK 416 M27 HK 416 A5HKP-00040$11.95 -
HK416 Retractable Buttstock - Factory
H&K Heckler & Koch
$129.95HK 416 & AR15 6 Position Retractable Stock New HK Marked 6 position AR15 commercial stock. This stock fits all commercial AR-15/M16 buffer tubes. The stock telescopes expands and retracts to 6 locked positions. Marked with the HK logo and...HKP-00049$129.95 -
HK G36 Bolt Head, Incomplete
GSG9
$225.95G36 Incomplete Bolt Head - USA G36 bolt head allows the use of double stack magazines in your SL8 conversion to high-capacity G36, Magpul, or AR15 magazines.HKP-00802$225.95 -
HK UMP Extractor - 9mm
H&K Heckler & Koch
$60.95New HK German USC/UMP 9mm Extractor This is the perfect spare part to have for your UMP or USC 9mm conversion. Hard to find and only available here at HKPARTS.HKP-00266$60.95 -
HK MP5K, SP89, SP5K Trunnion - 9mm - RS
RCM
$69.95MP5K Reverse Stretch Trunnion US-made to exact factory HK specifications for the HK MP5K, SP89 9mm builds. There is a difference between the MP5K and the MP5 trunnion. This offering is the correct trunnion for the MP5K and all MP5K PDW variants,...HKP-02242$69.95 -
HK MP5, SP5, HK94 Optic Mount - Armasuisse Version
B&T Brugger & Thomet
$219.95B&T MP5 Mounting Rail, Armasuisse Version Compatible With: HK MP5, SP5 HK 94 MAC-5 clones may require custom fitment. Modified components are not eligible for return. In-spec clones & custom buildsHKP-16864$219.95