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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On Sale
HK MP5 Cocking Tube - Extrusion - 8" - Gunsmith Special
USA
Now: $19.95Was: $54.95HK MP5 8" Cocking Tube Extrusion - Gunsmith Special This 8" cocking tube extrusion is ideal for custom HK-style firearm builds, repairs, or refurbishments, providing a solid foundation for restoring or fabricating cocking tubes on HK MP5, G3, and...HKP-99061Now: $19.95Was: $54.95 -
On Sale
HK MP5SD Cocking Tube - Gunsmith Special
USA
Now: $29.95Was: $74.95HK MP5SD Cocking Tube - Gunsmith Special The MP5SD cocking tube is a crucial part of the firearm's operating system, designed to house the cocking handle assembly. This unit has been de-milled to allow clearance for the integrated suppressor...HKP-99059Now: $29.95Was: $74.95 -
Out Of Stock
Picatinny Optic Mount - 39mm - Skeleton - Aimpoint ACRO P-2
B&T Brugger & Thomet
$737.95B&T Aimpoint ACRO P-2 w/ B&T Skeleton Mount 39mm The Aimpoint Acro P-2, paired with the B&T Skeleton Mount (39mm), takes the ACRO reflex sight to new heights in durability and reliability. It's fully enclosed design protects against rain, mud...HKP-21857-M$737.95 -
HK21 Cocking Lever Support
H&K Heckler & Koch
$83.95H&K HK21 Cocking Lever Support Authentic HK production cocking lever support for the HK21/A1. This NOS part hails directly from Germany, ensuring the quality and precision of original HK components. Compatible With: HK21 HK21-A1HKP-21821$83.95 -
Out Of Stock
HK MP5, SP5 Adapter - Tail Hook
B&T Brugger & Thomet
$135.00B&T Tail Hook Adapter MP5/SP5 (Including K) Compatible With: HK MP5/MP5K HK SP5/SP5KHKP-21763$135.00 -
Out Of Stock
HK G36, 36K NAR Mounting Rail
B&T Brugger & Thomet
$339.95B&T HK G36/G36K NAR Mounting Rail with Emergency Sight B&T NAR (picatinny compatible) mounting rail for HK G36/G36K with emergency sight. Compatible With: HK G36 HK G36KHKP-21529$339.95 -
HK UMP 5 Prong Flash Hider - 5/8x24
HKP HK Parts
$67.95HKP HK UMP 5 Prong Flash Hider - 5/8x24 Compatible With: HK UMPHKP-21523$67.95 -
HK SP5K Bolt Carrier - Semi Auto
RCM
$159.95RCM HK SP5K Semi Auto Carrier SP5K semi-auto carrier machined completely from billet ordnance steel. RCM US made SP5K carrier is made to the most updated and latest SP5K specs and more. Tungsten filled, heat treated, phosphate finish and all hardware...HKP-20983$159.95 -
On Sale
Bolt Knob - Fluted
Tactical Precision MFG
Now: $24.95Was: $48.99TPM - Fluted Bolt Knob These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle. Features: Dimensions:1.5" x 7/8" x 7/8" Weight: 2 oz Threading: 5/16x24HKP-20786Now: $24.95Was: $48.99 -
On Sale
Bolt Knob - Grenade
Tactical Precision MFG
Now: $24.75Was: $48.99TPM - Grenade Bolt Knob TPM grenade bolt knobs are a great way to dress up any rifle. It has a great feel and looks fantastic. Features: Dimensions: 1.90" x 7/8" x 7/8" Weight: 2 oz. Threading: 5/16x24 Made in the USA Compatible With: Any...HKP-20770Now: $24.75Was: $48.99 -
On Sale
Scorpion Stock or Brace Adapter - Tailhook - Mod 1
Gear Head Works
Now: $9.95Was: $19.95GHW Scorpion Tailhook Mod 1 Brace/Stock Adapter This adapter allows the user to mount the Patented Tailhook Mod 1 brace to the factory CZ folding cheek rest. It is injection molded reinforced polymer and can be installed to your choice of 3 positions...HKP-19137Now: $9.95Was: $19.95 -
HK UMP Flash Hider - 5 Prong - .40 S&W, .45 ACP
B&T Brugger & Thomet
$129.95B&T Brugger and Thomet 5 Prong Flash Hider .40 S&W and .45 ACP for HK UMP Each flash hider includes the proper quick detach system to take the flash hider on and off. Each flash hider features a 5 prong design. Specifications: Diameter Max 31...HKP-16891$129.95