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
GSG 22 Round GSG-5/GSG-16 .22LR Magazine
GSG German Sports Guns
Now: $26.95Was: $29.95GSG 22 Round GSG-5/GSG-16 .22LR Magazine The GSG magazine is a standard factory replacement magazine. The magazine is made from high-quality polymer and features a matte finish. Compatible With: GSG-16 GSG5 GSG522 GSG5PK GSG-16PK Please...Now: $26.95Was: $29.95 -
Out Of StockOn Sale
HK G36 Stock Axle Pin
H&K Heckler & Koch
Now: $35.06Was: $38.95G36 Stock Axle Pin For SL8 To G36 Stock Conversion New HK German manufacture. This is the axle pin that holds the G36 or G36C folding stock to the rear section of the receiver. Also used to mount the US-made rear stock block for those who are doing the...Now: $35.06Was: $38.95 -
On Sale
HK MP5, MP5K 9mm Muzzle Brake - 3-Lug - QD
HKP HK Parts
Now: $87.96Was: $109.95HKP MP5, MP5K 9mm Muzzle Brake - 3-Lug Easily attaches to MP5-spec. 9mm tri-lug barrels. This HK muzzle brake features the new style locking latch that seats flush and doesn't come off while shooting like the 1st generation style were prone to...Now: $87.96Was: $109.95 -
Out Of StockOn Sale
HK MP5, MP5K Optic Mount - Low Profile - Extended - Picatinny
B&T Brugger & Thomet
Now: $143.95Was: $159.95B&T MP5, MP5K Low Profile Picatinny Mount Specifications: Color: Black Height max: 23.5 mm Length max: 138 mm Length of top rail: 138 mm Material: Aluminum NATO Accessory Rails: 1 weaver type style rail Part number: BT-21241 Treatment:...Now: $143.95Was: $159.95 -
On Sale
HK91, G3 Cocking Handle - Compliant - US
PTR
Now: $23.36Was: $25.95HK U.S. Made Cocking Handle - PTR Manufactured Compliant parts are hard to find and important for keeping your HK G3 and HK 91 build 922r compliant.Now: $23.36Was: $25.95 -
On Sale
HK91, G3 Ejector Lever
H&K Heckler & Koch
Now: $22.45Was: $24.95New H&K .308 Ejector Lever Genuine HK German part. Compatible With: HK G3 HK 91 PTR-91 HK 51Now: $22.45Was: $24.95 -
Out Of StockOn Sale
HK MP5SD Sealing Ring
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K MP5SD Sealing Ring Each HK MP5SD sealing ring is the sealing gasket that seals the SD suppressor against the trunnion on factory HK MP5SD's or factory correct SD conversions. This is a typical wear item as they do degrade and crack. Compatible...Now: $26.95Was: $29.95 -
On Sale
HK SEF Enhanced Ambi Selector Set - Navy Style
HKP HK Parts
Now: $61.56Was: $76.95Ambidextrous Selector Lever Set For SEF Navy Style Polymer Grip Frames Features: Made in the USA Billet machined enhanced left & right side selector lever set Latest HK style titanium detent, enhanced spring for positive movement between...Now: $61.56Was: $76.95 -
On Sale
HK Roller Type Trip Lever
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K Roller Type Trip Lever This is a genuine German Heckler & Koch part. This is the newer style trip lever for use with a roller sear catch, not the older friction type. Please Note: May or may not be marked with the X or XX...Now: $26.95Was: $29.95 -
Out Of StockOn Sale
HKP HK G36C Stock
Now: $96.29Was: $106.99HKP G36C Stock HK G36C 9.5" stock assembly. One full inch shorter than the standard G36/G36K stock. Each G36C stock is compatible with all G36 variants. This is the preferred stock for average height shooters. Compatible With: G36 G36K G36C G36E SL8 to...Now: $96.29Was: $106.99 -
On Sale
HK91, G3 Cocking Handle - Green Rubberized - Surplus
H&K Heckler & Koch
Now: $8.05Was: $8.95HK German HK G3 & HK 91 Older Style HK Green Cocking Handle Used green handled German military surplus cocking handle. No longer made or offered by HK. A genuine Heckler and Koch part. Compatible With: HK 91 HK G3 PTR-91 HK 51 HK PSG-1 HK MSG-90 HK...Now: $8.05Was: $8.95 -
On Sale
HK MP5, HK91, G3 Pistol Grip
AC-Unity
Now: $8.96Was: $9.95AC-Unity HK G3 Pistol Grip Beautifully designed and textured for a great feel and sure grip. It also goes correct for HK33 or MP5 style weapons using buttstocks mounted with steel backplates. It is made from an advanced polymer-resin/granulate that is...Now: $8.96Was: $9.95