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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HK417, MR762 Enhanced Buffer Tube
H&K Heckler & Koch
$176.95H&K HK MR762/417 Enhanced Buffer Tube/Receiver Extension - Black Brand new factory HK German manufactured MR762, MR308, & HK 417 buffer tube. Compatible With: HK MR762HKP-16770$176.95 -
HK MP5K 3-Position Folding Adjustable Stock
B&T Brugger & Thomet
$494.95B&T HK MP5K 3-Position Folding Adjustable Stock Swiss made B&T folding and length adjustable stock for the HK MP5K and compatible. This is a military grade stock as supplied by B&T to military and...HKP-18243$494.95 -
Out Of Stock
HK G36 Carrying Handle, Incomplete - 3X Single Optic
H&K Heckler & Koch
$695.99H&K HK G36 Complete 3X Single Optic Carrying Handle Brand new. Mounting hardware offered separately.HKP-16388$695.99 -
HK G36K Handguard - Extended - Picatinny Rail
H&K Heckler & Koch
$149.95HK G36K German Factory Picatinny Extended Bottom Rail Fits all HK G36K newer style handguards with the rail attachment points. This is the full-length version for a full-length bottom rail for the...HKP-01137$149.95 -
HK UMP Flash Hider - 5 Prong - 10mm, .40 S&W, .45 ACP
HDPS
$159.95HK UMP Flash Hider - 5 Prong - 10mm, .40, .45 Designed to fit flanged UMP barrels. Will fit factory HK UMP barrels as well as the UMP 10mm/.40/.45/ US-made barrels offered by HK Parts. Made in...HKP-02368$159.95 -
HK Ump, USC Handstop Screw - Cylindrical
H&K Heckler & Koch
$9.95HK German Hand Stop Screw #21 Cylindrical screw, handstop 5 x 16 mm 219414HKP-16736$9.95 -
On Sale
HK UMP Caliber Conversion to .40 S&W Kit - 7.87" Barrel - 30 Round Magazine
Michaels Machines
Now: $637.47Was: $999.95HK UMP 40 Caliber Conversion Kit With this UMP Conversion kit, UMP .45 sub guns can be converted to .40 caliber. Machined bolt carriers are available for USC/UMP conversion sub guns. This is a simple...HKP-18754Now: $637.47Was: $999.95 -
HK23E Locking Piece #20 - 70 Degree
RCM
$49.95New US-Made #20 Locking Piece - 70 Degree For HK23E New US-manufactured RCM # 20 70-degree locking piece for HK23E and other custom builds. Made from the finest ordnance grade steel and heat treated...HKP-02525$49.95 -
Out Of Stock
HK21 Locking Piece - 50 Degree
H&K Heckler & Koch
$149.95H&K HK21 (7.62x51/.308) Locking Piece - New Factory, Old Stock The HK21 standard 50-degree locking piece. Each LP includes the hardness "dot" to identify them as HK 21 locking pieces.HKP-01745$149.95 -
HK91, G3 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin
H&K Heckler & Koch
$459.95H&K 91/G3 (7.62x51/.308) 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin This authentic German HK trigger housing features a 4 position pictogram (0,1,3,F) and is designed for push pin...HKP-17823$459.95 -
Out Of Stock
HK91, G3 Trigger Group (0,1) - 2 Position - Safe / Semi Only
HKP HK Parts
$429.95G3, 91, PTR Trigger Group 2 Position Housing 0,1- Safe, Semi Only Finally a lower cost alternative to the spendy & rare all-German HK FBI or 0,1 ambidextrous trigger group in a 2 position factory...HKP-17235$429.95 -
On Sale
HK51, PTR PDW Stock - AR15 Style
PTR
Now: $216.72Was: $339.95HK51, PTR PDW Magpul Stock - AR-15 Style AR15/M16 to HK 90 series stock adapter for the HK51 and PTR PDW. This is a perfect compliment for those that want to use the popular Magpul Moe stock. Each...HKP-15753Now: $216.72Was: $339.95