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 G3 ButtPlate with Catch Spring - Standard Stock - Green - Used - BLEMISHED
H&K Heckler & Koch
Now: $0.73Was: $2.95HK G3 Standard Stock Buttpad - Green - Used - BLEMISHED SOLD INDIVIDUALLY - CRACKED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL.HKP-21865-ODG-BNow: $0.73Was: $2.95 -
HK MP5, MP5K Raised Optic Mount with Burris FastFire - 3.5 MOA
HKP HK Parts / Burris
$509.95HK MP5 Burris FastFire 3.5 MOA Red Dot with Raised Optic Mount The HKP Raised optic mount was designed to elevate the sight to a height that is both comfortable and easy to view, while retaining an...HKP-22398-M$509.95 -
HK91, G3 Metal Trigger Housing Conversion Kit - AC Unity Grip
HKP HK Parts
$189.95HK91, G3 Metal Trigger Housing Conversion Kit - AC Unity Grip This kit includes everything you need to convert a polymer HK91 or G3 trigger group a robust metal housing. Simply use your existing...HKP-22322$189.95 -
HK91, G3 Two Magazines and Rubberized Mag Pouch - 20 Round - Aluminum - Like New
H&K Heckler & Koch
$36.95HK Heckler and Koch Two 20 Round Aluminum Mags with Rubberized Mag Pouch for HK91 Two Like-New HK German 20 round aluminum magazines, accompanied by a premium hand-picked green rubbeHKP-21804$36.95 -
Out Of Stock
Picatinny Optic Mount - 39mm - Aimpoint ACRO / NANO
B&T Brugger & Thomet
$85.00B&T Aimpoint ACRO / NANO 39mm QD Mount The B&T ACRO NANO optic mount is a universal QD mount for any firearm featuring a Picatinny top rail. Keep your optic profile compact with this Swiss made...HKP-21761$85.00 -
Out Of Stock
Picatinny Optic Mount - 23mm - Aimpoint ACRO, NANO
B&T Brugger & Thomet
$98.00B&T Aimpoint ACRO / NANO 23mm QD Mount The B&T ACRO NANO optic mount is a universal QD mount for any firearm featuring a Picatinny top rail. Keep your optic profile compact with this Swiss made...HKP-21742$98.00 -
On Sale
HK MP5 Alpha Folding Stock With Direct Fit Adapter - .22 LR
MI Midwest Industries
Now: $267.72Was: $419.95MI/HKP HK MP5 .22 LR Alpha Folding Brace/Stock Adapter The Midwest Industries alpha folding stock paired with the HK Parts picatinny rail adapter offers unparalleled versatility. Adjust your length...HKP-21515-MNow: $267.72Was: $419.95 -
On Sale
HK MP5 Alpha Folding Stock With Direct Fit Adapter
MI Midwest Industries
$267.72 - $419.95MI/HKP HK MP5 Alpha Folding Brace/Stock Adapter The Midwest Industries Alpha folding stock paired with the HK Parts Picatinny rail adapter offers unparalleled versatility. Adjust your length of pull,...HKP-21512-M$267.72 - $419.95 -
HK91, G3 Extractor - Used
H&K Heckler & Koch
$6.85HK German HK G3, HK, 91 & PTR 91 .308 Extractor - Used Surplus HK German extractor. Fits all models of HK G3 style firearms and CETME's. Compatible With:HKP-21507$6.85 -
On Sale
HK MP5 Bolt Group - 9mm - Full Auto - Complete
H&K Heckler & Koch
Now: $2,245.95Was: $2,874.95H&K HK MP5 9mm Complete Full Auto Bolt Group This is a factory genuine HK German full auto bolt group compiled with the best German parts available for those that need the best parts on their...HKP-21478Now: $2,245.95Was: $2,874.95 -
On Sale
HK Binary Selector Set - Ambi Housing - RAL8000
HKP HK Parts
Now: $50.97Was: $79.95HKP/H&K MP5/K 9mm Ambi Housing Franklin Armory Binary Selector Set - RAL 8000HKP-21380Now: $50.97Was: $79.95 -
B&T Unigrip for TL99
B&T Brugger & Thomet
$159.95B&T Unigrip for TL99 This for grip is made to be used with the MP5 handguard with integrated tactical light (BT-400971-4). It mounts around the housing of the light in the handguard. This is a good...HKP-21228$159.95