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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HK90 Series Cocking Tube End Cap - Steel
HKP HK Parts
$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 tripleHKP-17580$19.95 -
HK416, Colt M4 Magazine - .22LR - 20 Round
Walther / Umarex
$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...HKP-01748$39.95 -
HK UMP Magazine Spring - .45 ACP - 25 Round
H&K Heckler & Koch
$9.95H&K UMP (.45 ACP) 25-Round Magazine Spring Perfect for spares and to have on hand as these are a consumable item that needs to be replaced from time to time. A must-have item if you own a USC/UMP...HKP-01548$9.95 -
HK91, G3 Barrel - FMP - 17.7" - Threaded 15x1
FMP HK CONTRACT
$89.95HK G3, 91 Barrel - 7.62/.308 - 17.7" - Threaded 15x1 Original 17.7" FMP G3 barrel threaded 15x1 RH. Portuguese manufactured to HK's military specifications. These surplus barrels are perfect for...HKP-22532$89.95 -
HK MP5K, SP5K Spare Buffer for Folding Stocks and End Caps
HKP HK Parts
$9.95HKP Spare Buffer For Folding Stocks & End Caps New US manufactured flat style "H"buffer to replace the factory HK buffer on MP5K folding stocks and end caps. As well as a spare or replacement buffer...HKP-17886$9.95 -
HK MP5, MP5K Magazine Follower - 9mm - RED
HKP HK Parts
$8.95HKP MP5 & MP5K 9MM Magazine Follower - RED Teflon infused glass filled polymer red colored follower that will work with all HK MP5, MP5K 9mm curved magazines. A drop in item that allows you to swap...HKP-18302$8.95 -
HK MP5K, SP5K, SP89 Stock or Brace Adapter with Picatinny Rail
JMAC Customs
$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...HKP-18990$94.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Molykote®
Other
$36.95Molykote® Anti-Friction Coated Turkish Contract 30 Round MP5 9mm Magazine Molykote is a specialty coating formulated to reduce friction and wear between mating surfaces. It not only works well, but...HKP-22479$36.95 -
Out Of Stock
HK MP5, SP5K, HK94, SP89 Magazine Catch - 9mm - Latest Style
H&K Heckler & Koch
$64.95Heckler and Kock Magazine Catch Latest Style Genuine HK mag release for factory and clone firearms. This component often resolves issues with mags not locking into position on HK clones and builds...HKP-00911$64.95 -
HK MP5 .22LR Handguard - M-LOK
HKP HK Parts
$169.95HKP HK Parts and Heckler and Koch M-LOK Forearm for HK MP5 .22LR HK Parts brings you a long overdue option for all the MP5 .22LR owners. Our new forearm takes the classic MHKP-21260-M$169.95 -
Out Of Stock
HK MP5, MP5K Locking Piece - 100 Degree - Heckler and Koch
H&K Heckler & Koch
$89.95Heckler and Koch 100 Degree Locking Piece for HK MP5, HK MP5K, HK SP5, and HK SP5K The MP5 100-degree locking piece is the factory-correct locking piece for all HK MP5 and MP5K stHKP-00134$89.95 -
HK VP9, VP9SK, VP40 Disassembly Safety Spring
H&K Heckler & Koch
$2.95Elbow Spring For Dismounting Safety HK VP9, HK VP40 Compatible With: HK VP9 HK VP9A1 FHKP-16791$2.95