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
HK53, HK51 Vented Handguard - Horizontal
H&K Heckler & Koch
$119.95HK German HK 53, HK 51 Vented Hand Guard - Horizontal Style This handguard is vented on all three sides to promote barrel cooling as well as provide an aggressive grip hold. Compatible With: HK 53 HK 51 V53, C93 In-spec. clones and custom buildsHKP-01776$119.95 -
300 BLK Locking Piece
RCM
$49.95RCM 300 BLK Locking Piece New US manufactured 300 BLK locking piece for custom 300 builds or other custom 300 BLK HK style roller locked firearms. Compatible With: HK 93 & 33HKP-15547$49.95 -
HK MP5 Stock or Brace Adapter - AR
HKP HK Parts
$114.95HKP MP5 AR Brace/Stock Adapter 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 your expensive firearm. This is the finest AR stock...HKP-17118$114.95 -
Out Of Stock
HK Navy Extended Selector Lever - 3 Position
H&K Heckler & Koch
$199.95HK Ambidextrous Left Side EXTENDED (ESSL) 3 Position Navy Selector Lever New German HK Extended lever for all 3 position navy ambidextrous trigger packs or trigger groups. It will not fit SEF-style trigger packs.HKP-00125$199.95 -
HK Mil-Spec Buffer Tube Kit
HKP HK Parts
$42.95Mil-Spec Buffer Tube Kit Compatible With: HK MR556 & 416 AR-15 style platforms Includes: Made with T7 7075 aircraft-grade aluminum Made in the USA with a polished inside tube Mil-Spec triple hard coat Teflon anodized finish Each unit comes with a...HKP-02735$42.95 -
HK MP5 Flat Front Sight - Gen 2 - Luminescent Green
Blitzkrieg Components
$87.95Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight offers an advanced sighting solution with enhanced precision and visibility. Featuring a conventional flat-tipped post and a bright...HKP-21102$87.95 -
HK G36, G36K, G36C Bolt Carrier - Full Auto - Tungsten Filled
GSG9
$549.95HK G36 Tungsten Filled - Bolt Carrier Complete - Full Auto Compatible With: G36 G36K G36C Will NOT work with a factory HK SL8HKP-19030$549.95 -
Out Of Stock
HK416, MR556, HK417, MR762 Storage Cap - Pistol Grip
H&K Heckler & Koch
$29.95H&K HK MR556/416/MR762 Battle Grip Storage Cap This part is the replacement grip plug for the bottom of the HK battle grip. Compatible With: HK MR556 HK 416 HK MR762 Please Note: Does not fit for the HK416 .22LR models**HKP-15251$29.95 -
HK91, G3 SEF Navy Style Trigger Group HK G3 - Used Excellent
H&K Heckler & Koch
$389.95H&K 91/G3 (7.62x51/.308) Navy Style Trigger Group (SEF) - Used Excellent HK factory German HK G3 & HK 91 Full Auto Trigger Group Complete. Pulled from German military HK G3 rifles. These work great as spares or for collectible items. Used in...HKP-18670$389.95 -
HK51 Barrel - 7.62 / .308 - 8.375" - Threaded 15x1 RH
RCM
$164.95RCM HK 51 (7.62x51/.308) Barrel - Threaded 15x1 RH Crafted to precise HK51 specifications, this barrel utilizes HK's renowned cold hammer forged (CHF) process. Features include a knurled sight ring, splined design for secure flash hider attachment, and a...HKP-02391$164.95 -
HK91, G3 Fixed Stock - Alpine Green - Surplus
H&K Heckler & Koch
$29.95HK German Surplus G3, 91, PTR Stock Complete - Alpine Green The Alpine green stock was the last version that the German military produced and is the darkest green version available. All stocks are 90's production, date coded and made by HK for the...HKP-17112$29.95 -
HK 3 Point Sling Replacement Holding Clip
H&K Heckler & Koch
$19.95New HK German 3-Point Sling Rear Stock Holding Clip This is the hard-to-find holding clip that secures the standard 3-point HK sling to the A2 or A3 stock. The rear sling clip can become weak and break, making your 3-point sling useless. The sling...HKP-01043$19.95