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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HK416 Magazine - 30 Round - .22LR Pistols and Rifles
H&K Heckler & Koch
$34.95HK, Umarex, Walther, HK416 - .22LR Magazine - 30 Round Magazine Heckler & Koch Factory magazines are made to H&K specifications and tolerances using high quality materials that provide perfect fit, durability and reliability. Expect these...HKP-19834$34.95 -
HK416, MR556, AR-15 Magazine - 30 Round - Windowed
Magpul
$15.95Magpul PMAG 30 Round MR556/416 & AR-15 (5.56/.223) Magazine-Windowed The Gen M3 PMAG is a 30-round 5.56x45 NATO (.223 Remington) polymer magazine for AR15/M4 compatible weapons. Modified internal and external geometry also permits operation...HKP-16441$15.95 -
HK Small Push Pin for Handguards and Lowers
USA
$7.59HK Small push pin - US Made All steel small push pin for use on the lower grip housing for a push pin style of lower housing. Black nitride finish which adds extra durability to the pin plus corrosion and abrasion resistance. The small push pin is also...HKP-20397$7.59 -
HK91, G3, HK33, HK93 Grip for Metal Frames - OD Green - Surplus
H&K Heckler & Koch
$9.95H&K HK G3, HK 91 Grip for Metal Frames - OD Green - Surplus Used in surplus condition. Each item is used in good shape and will clean up nicely with a little bit of TLC and some attention. A great value for the price. Compatible...HKP-16333$9.95 -
Out Of Stock
HK MP5, MP5K Extractor - 9mm
H&K Heckler & Koch
$79.95New HK German HK 9mm Extractor - Latest Generation This is the latest and greatest HK MP5 (newest F style version) German extractor. Each unit works with all HK MP5, HK94, HK MP5K, HK SP89, HK SP5K, or other 9mm clones. A great part to have as a spare or...HKP-00057$79.95 -
HK Rear Sight Tool - Diopter Sights
HKP HK Parts
$29.95HK Diopter Rear Sight Tool - Military Contract Diopter sight tool is perfect for those that need to adjust all sizes of HK diopter type sights for the entire family of HK rifles including clones. A military contract over-run and mil-spec quality at the...HKP-16511$29.95 -
HK MP5 Magazine Spring - 30 Round
H&K Heckler & Koch
$6.95HK MP5 30 Round Magazine Spring - German The MP5 30-round spring is a must-have replacement spring for all HK MP5 curved magazines. HK factory springs have been known to help cure worn, weak, or aftermarket magazine springs that do not feed well and...HKP-00089$6.95 -
HK MP5 .22LR Drum Magazine - 50 Round - Translucent
BDM Black Dog Machine
$99.95HK MP5 .22 50 Round Drum Magazine For The MP5-A5 & MP5-SD .22 Rifle Made in the USA by BDM exclusively for HK Parts. Using an existing drum model that is tried and true. Compatible With: HK, Walther, Umarex MP5 & MP5SD .22 rifles. MP5...HKP-16235$99.95 -
HK416, Colt M4 Spring Kit - .22LR - Match Trigger Upgrade
HKP HK Parts
$17.49HK 416 .22 & Colt M4 .22 Match Trigger Spring Kit - Set of 3 Enhanced Springs: The HKP match trigger spring kit delivers a lighter, smoother, and crisper trigger pull translating to on-target accuracy. Lower your pull weight by ~ 3lbs courtesy...HKP-17340$17.49 -
HK MP5 Folding Brace
SB Tactical
$119.95SB Tactical Side Folding Brace for the HK MP5 and SP5 model SBT5A Features: Each brace comes assembled ready to install no assembly required Made in the USA B&T inspired design & styling The finest folding pistol brace option for your HK MP5...HKP-18017$119.95 -
HK MP5 Optic Mount - Trijicon RMR, Holosun, Swampfox
HKP HK Parts
$97.95HKP HK Parts HK MP5 Mount - Optic - Holosun, RMR Quickly attach any RMR pattern red dot sight to your MP5 platform firearm with the HKP optic mount. Our 3-piece mount installs securely to the receiver and co-witnesses with the factory iron sights...HKP-20731-M$97.95 -
HK Gen 1 Spring Upgrade - Roller Retainer Plate
HKP HK Parts
$9.95HKP 1st Gen Roller Retainer Plate To Spring Upgrade This action 3 roller retainer spring for all 1st Generation bolt heads replaces the oval-shaped roller retainer plate. HK made a wire spring as an upgrade for later production bolt heads to improve the...HKP-02119$9.95