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 StockOn Sale
HK MP5, MP5K Optic Mount - Extended Claw - Picatinny
UTG PRO
Now: $58.46Was: $64.95UTG HK MP5/MP5K Claw Mount - Extended Picatinny UTG Pro Claw Mount for MP5 and MP5K pattern firearms featuring UTG's patented receiver locking interface. Each U.S. made mount features an extended Picatinny rail, lightweight matte black...Now: $58.46Was: $64.95 -
On Sale
HK416, MR556, HK417, MR762, Pistol Grip with Storage
H&K Heckler & Koch
Now: $53.99Was: $59.99H&K HK MR556/762/416/417/G28 Battle Grip With Storage HK German V7 factory battle grip with storage compartment incorporated in the grip base. Compatible With: HK MR556 HK 416/416-A5 HK MR762 HK 417 HK M27 HK G28 AR-15, M4, & M16 PlatformsNow: $53.99Was: $59.99 -
On Sale
HK MP5K Handguard - 9mm - M-LOK
UTG PRO
Now: $179.07Was: $198.97UTG PRO HK MP5K Handguard - 9mm - M-Lok with Picatinny Receiver Extension The new UTG PRO MP5K MLOK handguard with picatinny receiver extension is incredible. This thing is stunning! The machining, finish and fit are flawless. The assembly is...Now: $179.07Was: $198.97 -
On Sale
HK Cheek Piece
AC-Unity
Now: $35.96Was: $39.95AC-Unity HK Cheek Piece New production HK cheek piece for your fixed stock on your G3, HK91, PTR91, HK33, HK94, MP5 or HK94 rifle. Works on all HK style fixed stocks that have push pin retainer bushings in the stock. This will give you the proper cheek...Now: $35.96Was: $39.95 -
On Sale
HK G36 Magazine - 30 Round - 5.56 / .223
H&K Heckler & Koch
Now: $112.45Was: $124.95HK German G36 30 Round Magazine HK German 30-round magazine, designed to perfectly fit all G36, G36K, and G36C variants, as well as converted SL8's with the G36 magwell. These are brand-new, top-quality magazines straight from the factory. Keep in mind...Now: $112.45Was: $124.95 -
On Sale
HK MP5 .22 Optic Mount - Minimalist - Picatinny Rail
HKP HK Parts
Now: $78.36Was: $97.95HKP HK MP5 .22 Minimalist Picatinny Rail Optic Mount Our new picatinny style optic mount is a game changer for those that want to have a minimalist look on their MP5 .22. You can have a picatinny rail with out having to compromise all the real estate...Now: $78.36Was: $97.95 -
On Sale
HK 10 Round HK MP5, MP5K - California Compliant Magazine
H&K Heckler & Koch
Now: $80.06Was: $88.95California Complaint Magazine 10-30 - MP5, MP5K - German - New This California compliant magazine has a 10 round block pre-installed which converts a factory 30 round magazine into a 10 round magazine. This is the best option to stay legal in...Now: $80.06Was: $88.95 -
On Sale
Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Orange
Blitzkrieg Components
Now: $51.29Was: $56.99Blitzkrieg HK MP5 Chevron Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight provides a fast, bold sight picture with a sharp aiming point, designed for enhanced visibility and precision. The bright orange chevron stripe offers...Now: $51.29Was: $56.99 -
On Sale
HK91, G3 Extractor
H&K Heckler & Koch
Now: $12.55Was: $13.95HK German HK G3, HK, 91 & PTR 91 .308 Extractor New HK German. The G3 is out of production and this small lot of new old stock extractors is available at the best price in the country. Fits all models of HK G3 style firearms and CETME's. Compatible...Now: $12.55Was: $13.95 -
Out Of StockOn Sale
HK45 Thread Protector - 16x1 LH
H&K Heckler & Koch
Now: $22.45Was: $24.95H&K .45 ACP Thread Protector - Threaded 16x1 LH The cap fits all HK45 full size & compact barrels threaded 16x1 LH hand thread. A must have item to protect your threaded barrels, exposed threads, and your HK pistol investment. The use of the...Now: $22.45Was: $24.95 -
On Sale
HK91, G3, PTR Magazine - 20 Round - Steel - Surplus
H&K Heckler & Koch
Now: $17.95Was: $19.95H&K 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine - Steel - Surplus: HK German 20 Round Steel Magazine Used - Surplus Condition Used German manufacture all steel magazine. They range from Fair to VG shape. Each magazine is a bargain for what you get...Now: $17.95Was: $19.95 -
Out Of StockOn Sale
HK Roller +8 - New - 8.08mm
HKP HK Parts
Now: $7.19Was: $8.99Roller +8 - New - 8.08mm HK Parts Standard (8.08 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to...Now: $7.19Was: $8.99