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 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...HKP-19330$164.95 -
HK MP5, SP5K Cocking Support Detent
H&K Heckler & Koch
$9.95Cocking Tube Support Detent For The MP5, 94, MP5K, SP89, & SP5KHKP-01103$9.95 -
Out Of Stock
HK MP5 Magazine - No Evil
Zenith
$43.95Zenith - No Evil MP5 Magazine The infamous three wise monkeys laser-etched into a Zenith magazine. Hear no evil, see no evil, speak no evil. Limited run so get them while you can! Application of oil is recommended depending on climate...HKP-20842$43.95 -
Link Anchor Poly Handstop
Strike Industries
$19.95Strike Industries Link Anchor Poly Handstop The LINK Anchor Handstop is made from a heat-resistant polymer that allows comfortable grip in any shooting condition. It has a low profile design that allows mounting through any MLOK or KeyMod openings. The...HKP-19645$19.95 -
HK MR556 Receiver Take Down Tool
H&K Heckler & Koch
$19.95H&K HK MR556 Receiver Take Down Tool This part is the tool used to tighten down the stock movement on the E1/E2 stock. Each tool will be stored in the rear of the E1/E2 stock. Compatible With: HK MR556 Please Note: We get...HKP-02653$19.95 -
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...HKP-18221$18.95 -
HK UMP, USC Stock Block B - Eyelet Thumb Screw
HDPS
$229.95HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B- Eyelet Screws New latest production HDPS HK USC/UMP Stock Block type for use with all HK UMP factory or US made Folding Stocks. Each unit comes with the sling loop eyelet and thumbscrews. This is a...HKP-16756$229.95 -
HK German Hammer Spring (5.56/.223 & 7.62x51/.308) - Used
H&K Heckler & Koch
$4.95HK German Rifle Hammer Spring For All .308 & .223 Semi & Full Auto Trigger Packs The rifle 308/5.56 hammer spring is a popular upgrade in 9mm builds experiencing light primer hits. This is the factory correct 25 lb. weight for positive detonation...HKP-18066$4.95 -
Hammer Spring, HK Burst Trigger Packs
H&K Heckler & Koch
$19.95H&K Hammer Spring For HK Burst Trigger Pack The HK German factory intermediate poundage "satin" gray hammer spring is found in all 9mm, 40/10, and .556/223 burst trigger packs and is proven to be the most reliable and longest-lasting spring for burst...HKP-01111$19.95 -
HK MP5, MP5K Cocking Handle - Enhanced
HKP HK Parts
$39.95HKP HK MP5, MP5K Cocking Handle - Enhanced The HKP enhanced cocking handle is just like our MP5 extended cocking handle but was designed to also function with UTG monolithic M-LOK handguards. Available exclusively at HK Parts. Specifications: Made in...HKP-22382$39.95 -
T65 Rifle Parts Kit - Gas Piston - Vintage Taiwanese
Other
$1,199.95Taiwanese 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...HKP-19676$1,199.95 -
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...HKP-17942$24.95