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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HK UMP Cocking Handle - Assembly
OMEGA
$34.95Omega USC/UMP Cocking Handle Assembly Omega UMP cocking handle assembly is a great complete replacement for broken or worn out cocking handle assemblies. Everything you need for a complete replacement. US made by Omega. UMP cocking handle assembly...HKP-21271$34.95 -
B&T TP9, MP9, APC Magazine - 9mm - 15 Round - Translucent
B&T Brugger & Thomet
$50.00B&T 15 Round TP9/MP9/APC 9mm Magazine - Translucent Swiss B&T manufactured 15 round magazine for the 9mm TP9, MP9 & APC. Specifications: 15-round capacity 9mm Made of high strength polymer Compatible With: B&T MP9/TP9 B&T...HKP-17437$50.00 -
On Sale
HK MP5 Pistol Stabilizing Brace - SBA4 - Adapter Included - OD Green
SB Tactical
Now: $229.95Was: $294.95SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace & Adapter - OD Green MP5, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment. This brace is the perfect addition for...HKP-20351Now: $229.95Was: $294.95 -
Out Of Stock
AB-8 and Stock or Brace Adapter - 1913 Folding Mech
JMAC Customs
$269.95JMAC Customs AB-8 w/ Brace/Stock Adapter and 1913 Folding Mech If your firearm doesn't already have a 1913 attachment rail on the rear, choose the appropriate adapter above! (A)rm(B)ar(8)inch + AB-BA brace adapter + JMac 1913 folding mech. (not...HKP-20148$269.95 -
HK416 OTB E1 Stock & Buffer Tube Combo
H&K Heckler & Koch
$469.95H&K MIL-SPEC 416 OTB Buffer Tube & HK E1 Stock Combo Genuine HK416 E1 Stock with the new style marine environment "over the beach" buffer tube. Buffer tube has ball bearing rollers to tighten the stock when locked in position, and helps smooth...HKP-20104$469.95 -
HK MP5, GSG Magazine Pouch - Single - .22 LR
Comp-Tac
$44.95Comp-Tac HK MP5 .22/GSG .22LR Single Magazine Pouch The single magazine pouch PLM is an all Kydex magazine pouch which gives a smooth friction free surface perfect for a quick reload for your MP5 .22 & GSG .22 The PLM mount allows for being securely...HKP-20100$44.95 -
Battle Sight - Rear
Troy Industries
$129.95Troy Industries Rear Battle Sight Durability and dead-on accuracy have made the Troy Industries Folding Battle Sight one of the best choices for Special Ops and tactical users worldwide. Easy to install and deploy, with no levers or springs to fumble...HKP-00032$129.95 -
Out Of Stock
HK416, MR556 14.5" Super Modular Rail System - FDE
Geissele
$549.95Geissele HK416, MR556 14.5" Modular Rail - Desert Dirt Color (DDC) 13.625" overall length Geissele HK 416, MR556 free float rail with HK 416 14.5" barrel and MR 556 16.5" barreled upper. This is a direct replacement item for your HK MR556 and 14.5"...HKP-16462$549.95 -
HK MR556, MR762 Rail Segment - 5 slot
H&K Heckler & Koch
$39.95HK MR556 & MR762 Rail Segment - MRS 5 slot Rail ASM New Factory HK 5 slot rail segment for the MRS style HKey mod rail forearms. ***Not compatible with the Euro spec HKey "Small", this is for the Modular Rail System "Large type" HKey spec, which is...HKP-17510$39.95 -
HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Safety Right Side (0,1)
H&K Heckler & Koch
$9.95Safe, Semi 0,1 Only HK UMP, USC, G36, & SL8 Right Side Safety Control Lever Constructed from durable black polymer, this factory original part from HK is made in Germany and specifically designed for H&K SL8, G36, and USC rifle. The lever...HKP-01874$9.95 -
HK UMP/USC (.40 S&W/.45 ACP/9mm) 3 Position Navy Full Lower (0,1,3)
H&K Heckler & Koch
$1,249.95HK UMP 3 Position Navy Lower New German Heckler & Koch UMP 3 position (0, 1, full) Navy lower. Each lower comes complete with all the factory internals. These lowers are ideal for the USC to UMP conversion and to keep as a spare. Each lower is...HKP-00592$1,249.95 -
HK91, G3 SEF Navy Style Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$179.95H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned New German-made Heckler & Koch grip housing comes in black polymer clipped and pinned, ready to drop on your HK 91, HKG3, PTR-91, or other HK .308 type build. Accepts...HKP-00513$179.95