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 G36, SL8 Barrel Mandrel
Other
Now: $98.95Was: $109.95Barrel Mandrel For Removal and Installation of HK G36 and HK SL8 Barrels A mandrel barrel changing tool for firearms is a specialized rod inserted into the barrel to provide internal support and alignment during the process of removal or installation...Now: $98.95Was: $109.95 -
On Sale
HK MP5K, HK SP5K, B&T UMP Folding Stock
B&T Brugger & Thomet
Now: $267.25Was: $437.95B&T HK MP5K, HK SP5K UMP B&T Folding Stock B&T stock foldable polymer with adapter for HK MP5K. These are hard to find and the real deal. 100% Swiss & German HK made. This is a military grade stock. B&T Switzerland has supplied these...Now: $267.25Was: $437.95 -
On Sale
HKP Cocking Tube End Cap-Steel
HKP HK Parts
Now: $15.96Was: $19.95Cocking Tube End Cap - Steel - US Made Manufactured from solid billet steel and finished in black in a nitride finish. Compatible With: All 90 series HK firearms and clones that use a triple frame/sight towerNow: $15.96Was: $19.95 -
On Sale
HK Magazine Catch, Push Button Roll Pin
H&K Heckler & Koch
Now: $4.46Was: $4.95H&K Magazine Catch, Push Button Roll Pin New HK German-made. The mag catch roll pin is used to attach the magazine catch to the mag release button. Compatible With: HK G3, 91, PTR HK MP5, 94, SP5 HK 93, 33, 53 HK SP89, MP5K,...Now: $4.46Was: $4.95 -
On Sale
HK German Recoil Guide Rod Rivet
H&K Heckler & Koch
Now: $8.96Was: $9.95H&K German Recoil Guide Rod Rivet This rivet holds the stop pin and recoil spring captive and in place to the recoil rod itself. The price is per rivet. New old stock HK German rivet. Compatible With: G3, 91, 33, 93, & 53 MP5, 94 MP5K SP89 HK21...Now: $8.96Was: $9.95 -
On Sale
HK416, Colt M4 Magazine - .22LR - 20 Round
Walther / Umarex
Now: $35.96Was: $39.95HK, Umarex, Walther, HK416 .22LR Magazine - 20 Round Magazine Each magazine is the factory OEM magazine for all of the models above. Brand new factory fresh. This magazine is the perfect balance of magazine capacity size and fitment to the firearm...Now: $35.96Was: $39.95 -
On Sale
HK21, FMP21 T-Rail Set
HKP HK Parts
Now: $95.96Was: $119.95HKP HK 21 (7.62x51/.308) Factory Style T-Rail Set HKP HK21 US made rails for all HK21 and FMP21 builds. Our steel T-rails incorporate an updated radius to address a weak link in previous iterations. Compatible With: HK21 FMP21Now: $95.96Was: $119.95 -
On Sale
HK MP5K, SP5K, SP89 9mm Brace or Stock Adapter with Picatinny Rail
JMAC Customs
Now: $85.45Was: $94.95JMAC Customs MP5K, SP5K, SP89 9mm Brace/Stock Adapter with Picatinny Rail This stock adapter allows you to attach any 1913 style stock, brace to your MP5K. The 1913 style stocks & braces lock in place and provide a better Cheek Weld than many...Now: $85.45Was: $94.95 -
Out Of StockOn Sale
MP5, MP5K, APC Flash Hider - 3-Lug - Quick Detach - 9mm
B&T Brugger & Thomet
Now: $121.50Was: $135.00B&T HK MP5/MP5K 9mm Flash Hider - 3-Lug - Quick Detach This flash hider slips over the end of the 3-lug barrel and with a light push and a 1/4 turn the flash hider attaches to the end of the tri-lug. Easy off and on installation and removal with a...Now: $121.50Was: $135.00 -
Out Of StockOn Sale
HK SL8, G36 Top Rail Screw
HKP HK Parts
Now: $4.76Was: $5.95HK SL8 & G36 Top Rail Screw This rail screw is the standard length rail screw used for all SL8 and G36 top rails. With the exception of the dual and single option models. A must have part and an easy part to loose or strip. Grab yours to have...Now: $4.76Was: $5.95 -
On Sale
B&T Vertical Foregrip - Short Style - Quick Detach
B&T Brugger & Thomet
Now: $67.50Was: $75.00B&T Quick Detach Short Style Vertical Grip - Black Swiss made B&T quick detach short vertical for-end grip with quick release throw lever for picatinny. Made of black polymer and includes a water tight storage compartment in the bottom of the...Now: $67.50Was: $75.00 -
On Sale
HK MP5, HK94, SP89, SP5K Magazine Body - 9mm - 30 Round - Curved
H&K Heckler & Koch
Now: $49.46Was: $54.95H&K 30 Round MP5, MP5K, SP5K Magazine Body Heckler & Koch factory fresh magazine housing/body from this current year's production. MP5, MP5K 9mm 30 Round curved all steel magazine body stamped "Made In Germany". Compatible With HK MP5,...Now: $49.46Was: $54.95