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 Barrel - .45 ACP - 7.87" - Threaded 16x1 LH
HDPS
$349.95HK UMP & USC 45 ACP 8" Threaded Barrel HDPS UMP barrels are perfect for the USC to UMP conversions and a replacement UMP .45 barrel. They are considered by many to be the finest US-made barrel available. This barrel is the same length as a factory HK...$349.95 -
Out Of Stock
HK MP5 A3 Stock - Surplus - Good Condition
H&K Heckler & Koch
$578.95Military German manufactured A3 Retractable Stock - Used Each Used German HK stock will vary from Fair-Good Shape (early 80's manufacture) A one-time offering of some well used German military stocks that need some TLC and a refinish to get them looking...$578.95 -
On Sale
T65 Rifle Parts Kit - Gas Piston - Vintage Taiwanese
Other
Now: $899.95Was: $1,119.95Taiwanese T65 Gas Piston Rifle Parts Kit - Vintage We have a limited number of these super rare gas piston rifle parts kits. Each kit was used in Central & South America during active military conflicts and civil war. These kits are heavily...Now: $899.95Was: $1,119.95 -
Out Of Stock
HK G36, 36K Folding Stock - Full Size
H&K Heckler & Koch
$74.95HK G36 or G36K Folding Stock HK G36 Stock complete for full-size G36 rifles. This is the longest stock available for G36 rifles. This is also the standard G36 and G36K stock with the standard length. Compatible With: G36 G36K G36C G36E SL8 to G36...$74.95 -
HK German Leather Sling - Used-Very Good
H&K Heckler & Koch
$59.95Original Surplus German HK Leather 2 point sling - Used- Very Good Comes with HK sling hook. Pulled from German military G3 rifles. Complete and in good shape overall. Made with leather straps and steel hardware and HK sling hook. Last of the...$59.95 -
HK MP5K, MP5KN Barrel - 9mm - 5.85" - Threaded 1/2x28 with 3 Lug
RCM
$164.95RCM HK MP5K/N 9mm Barrel - Threaded 1/2x28 - 3-Lug Machined from a cold hammer forged blank to the latest MP5KN PDW specifications, this barrel features factory-correct, updated 16 flutes in the chamber. It is 3-lugged, threaded, and designed to...$164.95 -
HK45 Thread Protector - 16x1 LH - Titanium
$24.95HK .45 ACP Titanium Thread Protector - Threaded 16x1 LH Crafted from solid titanium, this tactical thread protector fits all HK45 full-size and compact barrels threaded 16x1 LH. Essential for safeguarding your threaded barrels and exposed threads, it...$24.95 -
HK G36, SL8 Locking Push Pin for Handguards, Lowers, Magwells
GSG9
$18.95HK G36, SL8 Push Pin For Forearm, Magwell, & Lower Each push pin/locking pin retains the forearm, magwell, & lower to the upper receiver. Each G36 style firearm uses a total of 3X of these push pins. Compatible With: G36 G36K G36C G36...$18.95 -
Out Of Stock
HK UMP, USC Lever - Ejector - 9mm / .40 S&W / .45 ACP
H&K Heckler & Koch
$39.95HK German UMP & USC Ejector Lever - German New HK German OEM part. Each unit fits all calibers of UMP & USC firearms. A great spare to have on hand as they are prone to shearing off with use and must be replaced. Compatible With: UMP .45 UMP ...$39.95 -
HK33, HK91, G3 Recoil Rod Stop Pin
H&K Heckler & Koch
$9.95G3, 91, PTR, 93, & 33 Recoil Rod End Cap New HK German recoil rod end cap or stop pin for HK factory recoil rods. This item retains the recoil spring on the recoil rod assembly. A great spare and wear and replacement part. Compatible With: HK G3, 91...$9.95 -
HK MP5, HK94 Bolt Group - 9mm - Full Auto
RCM
$459.95RCM HK MP5-E Full Auto Bolt Group Each bolt group incorporates RCM’s F style carrier, MP5-E bolt head, extractor and 100 degree locking piece. This group is 100% US made and the finest out there. Complete and ready to drop in and use. Ideal to...$459.95 -
Century Arms AP5 3-Point Sling - Complete
MKE
$34.99MKE AP5 3 Point Sling - Complete This is a Factory OEM Sling included with the AP5. Can be utilized on any HK 90 series of firearms. Compatible With: Century Arms AP5 HK MP5 & SP5 HK MP5K & SP5K HK94$34.99