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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Out Of Stock
HK91, G3 Complete Bolt Head - HK Contract FMP - Used
H&K Heckler & Koch
$59.95HK CONTRACT FMP - HK G3 & HK 91 & PTR Bolt Head Complete Made on HK tooling & prints in Portugal in the 1980's. Each used bolt head is complete with all parts installed & 100% functional. Removed...HKP-17628$59.95 -
HK91, G3 Fixed Buttstock with Enhanced Heavy Buffer - Jungle Green - Surplus
H&K Heckler & Koch
$129.95HK 91, G3 Fixed Stock with Enhanced Heavy Buffer Installed- Jungle Green - Surplus Used jungle green German surplus stock complete with Enhanced Heavy Buffer Installed. Ready to drop in on your HK or...HKP-18935$129.95 -
On Sale
Harris Bipod Adapter - Long - Picatinny
HKP HK Parts
Now: $22.28Was: $34.95Harris Bipod Adapter This mounts to any Picatinny rail and proves a stable platform to add a Harris bipod or other similar-style bipod. This will fit any Picatinny spec rail or rail system. Made in...HKP-00909Now: $22.28Was: $34.95 -
HK MP5 Locking Piece #25 - 60 Degree - High Impulse - .40 S&W, 10mm
H&K Heckler & Koch
$229.95New HK German MP5 40 or MP5 10mm High Impulse Locking Piece Marked #25 This is the 60-degree locking piece that is used for high-impulse ammo, commonly found in +P or +P+ ammo. This locking piece is...HKP-00437$229.95 -
On Sale
HK MP5, HK94 Cocking Tube - LH
HKP HK Parts
Now: $76.47Was: $119.95HKP MP5, HK94 Cocking Tube - For Lefties This is the one and only left handed cocking tube for the MP5/HK94 ever made and it happens to be a US manufactured part. Features include enlarged charging...HKP-17380Now: $76.47Was: $119.95 -
HK MP5 to AR Stock and Adapter
HKP HK Parts
$229.95HKP MP5 to AR Adapter & Stock Complete Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect...HKP-17119$229.95 -
On Sale
HK MP5, HK94, HK34 Barrel - 9mm - 16.5" - Non-Threaded
RCM
Now: $168.91Was: $264.95RCM MP5, HK34, HK94 9mm Barrel - Non-Threaded Each non-threaded barrel is hand-selected from the finest cold hammer forged steel (CHF) 41V45 barrel blanks. Expertly profiled and chambered in the...HKP-00927Now: $168.91Was: $264.95 -
HK MP5K, AP5-P Rear Sight Drum
MKE
$28.95MKE MP5K & AP5-P Rear Sight Drum Factory MKE manufactured rear sight drum for the Century AP5-P. Compatible With: HK MP5K CenturHKP-22480$28.95 -
HK416, MR556, AR-15, M4 Magazine - TMAG Gen 3 - 20 Round - Translucent OD Green
Magpul
$24.95Magpul AR/M4 TMAG® 20 Round GEN M3™ Magazine - Translucent OD Green US-made translucent 20 round magazine optimized for AR/M4 platforms, but modified to permit operation with other 5.56 and .223...HKP-22035$24.95 -
HK G36K Handguard with Heat Shield
H&K Heckler & Koch
$84.95H&K G36K Handguard with Heat Shield Lightweight and durable design for improved heat management and reliable performance.HKP-22010$84.95 -
HK33, HK53, HK93 A2 Fixed Buttstock - Surplus - Alpine Green
H&K Heckler & Koch
$139.95Surplus - Fixed Stock - OD Green - HK93,33,53 German military surplus but hand-picked to give you the best of the lot. Ready to install on your HK or clone rifle. Each stock features the correct...HKP-21847$139.95 -
HK MP5K, AP5-P Trigger Group
MKE
$479.95Century AP5-P, AP5-M Trigger Group This trigger group serves as a direct replacement for AP5-P, AP5-M, Zenith clones, and factory MP5K receivers. For customers needing compatibility with shelfed...HKP-21668$479.95