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 UMP, USC Flash Hider - Birdcage - Threaded 16x1 LH
HDPS
$137.95HDPS HK UMP/USC Birdcage Flash Hider For Threaded Barrels - Threaded 16x1 LH Designed for threaded barrels with a 16x1 LH thread, this flash suppressor is modeled after the HK UMP flash suppressor for flanged barrels. It’s perfect for those who...HKP-02579$137.95 -
Out Of Stock
HK UMP, USC, G36, SL8 Compression Spring - Index Plate
H&K Heckler & Koch
$7.95H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Index Plate Compression SpringHKP-16496$7.95 -
Out Of Stock
HK 21 Ammunition Belt Box Adapter
Michaels Machines
$274.95Belt Box Adapter A new custom-made adapter - allows you to use HK German factory HK21E belt boxes on the HK21 older style or original style belt feds. It is a drop-in design that will enable easy and quick use of the superior HK21E belt boxes...HKP-01844$274.95 -
Out Of Stock
HK Universal Harris Bipod Adapter - RAL8000
H&K Heckler & Koch
$199.95HK Factory Harris Bipod Adapter - Low Profile - RAL 8000 This adapter is used to attach the Harris bipod to any Picatinny rail. Fits all picatinny railed forearms or applications. Features the lowest profile of any bipod adapter we have encountered with...HKP-17750$199.95 -
HK Optic Mount Ring Set - 1 Inch for 30mm Scope
H&K Heckler & Koch
$89.95H&K Scope Mount Ring Set - 1 Inch For 30mm Scope Each set includes one complete set of inserts for one complete setup (4 individual sides). This is a Genuine HK German part. Insert rings (1 inch) - HK 30mm claw mount not included.HKP-02474$89.95 -
PTR-32 (7.62x39) Locking Piece - 70 degree
PTR
$63.95PTR-32 (7.62x39) Locking Piece - 70 degree New PTR Locking Piece For PTR-32. Marked "70" for the PTR-32 series of rifles and pistols. This is a 70 degree locking piece. New PTR manufacture. This locking peice will also work for custom HK builds as well.HKP-18519$63.95 -
Out Of Stock
MM HK PSG1/21E/23E Forward Complete Assist Assembly
Michaels Machines
$779.95MM HK PSG1/21E/23E Forward Complete Assist Assembly Michael's Machines US-made complete forward assembly or your HK PSG1, MSG90, HK21E/23E. A great option for a build now that the factory units are no longer available. Available exclusively...HKP-00852$779.95 -
PTR HK MP5K 9mm 2 Positions (S,F Pictogram) Grip Frame Housing - Clipped & Pinned
PTR
$159.95PTR HK MP5K 9mm 2 Positions (S,F Pictogram) Grip Frame Housing - Clipped & Pinned This HK aftermarket trigger housing will accept all SEF style trigger packs. This is made by PTR 91 to exact HK specs. This housings comes clipped and ready for a...HKP-16443$159.95 -
HK MP5 3 Position 0,1,F Navy Housing - Push Pin Housing
HKP HK Parts
$169.953 Position 0,1,F Navy Ambidextrous Grip Housing -USA MADE This housing is for push pin type receivers such as those found on AP5, Zenith Z-5RS models or POF full size MP5 models. This is a USA made offering that counts as 1 USA made compliant part...HKP-18196$169.95 -
HK416, MR556, HK417, MR762 Tactical Grip - Dark Earth
Ergo
$52.95Ergo Grip PSG1 Style Grip For MR556 & MR762- DARK EARTH 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,...HKP-17192$52.95 -
HK MP5, AP5 Cocking Handle
MKE
$17.95HK MP5 and AP5 Cocking Handle Factory OEM Replacement Factory OEM replacement AP5 cocking handle as found on MKE/Century AP5 models.Compatible With: HK MP5, MP5K, SP89, MP5SD HK SP5, SP5K, SP5-PDW, SP5L Century AP5, AP5-P, AP5-M In-spec clones...HKP-22475$17.95 -
HK MP5, MP5K Cocking Handle - Knurled - Extended
Leapers - UTG
$29.97HK MP5, MP5K Cocking Handle Extended Extended cocking handle for the MP5 style of firearms. These cocking handles also count towards one US made component for 922r compliance. Made by UTG to work with their monolithic M-LOK handguards...HKP-22421$29.97