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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Out Of Stock
HK416, MR556, AR-15 Magazine - 30 Round - Smoke
Lancer
$29.95Lancer 30 Round AR-15 Magazine - Smoke Lancer set out to design a better 5.56 magazine, one with the reliability of steel and the durability and weight of the polymer. The L5AWM’s exclusive hybrid design includes a hardened steel feed lip...HKP-21188$29.95 -
HK USC to UMP Stock Block B with Thumb Screw
Michaels Machines
$249.95Michaels Machines USC to UMP Stock Block B w/Thumbscrew For use with all HK UMP factory or US made folding stocks. Each unit comes with a thumbscrew on one end and a slotted section on the other end. This is a required part for the HK USC-UMP style...HKP-20722$249.95 -
HK MP5 2 Stage Trigger - 9mm
Timney Triggers
$389.95Timney Trigger's Trigger for your 9mm HK MP5, MP5K The Timney HK MP5 trigger is factory-set with a two pound first stage and a two pound second stage that elevates the platform so the shooter can achieve the utmost in accuracy. This offering comes...HKP-20507$389.95 -
HK SP5 Spec Only Navy Style SEF Clipped and Pinned Housing - Like New
H&K Heckler & Koch
$149.95HK German SP5 Spec Navy Style SEF Clipped & Pinned Housing - Excellent / Like New In outstanding, like-new condition—most items have never been installed on a firearm. Designed specifically for all HK SP5 models, these components are perfect...HKP-20074$149.95 -
Out Of Stock
HK MR556 Upper Receiver Kit -16.5" - M-LOK
H&K Heckler & Koch
$1,779.95New HK Factory German MR556 Upper Kit with M-LOK forearm Includes: Complete MR556 upper receiver with M-LOK forearm MR556 Bolt group Complete Tungsten Filled HK Buffer HK Buffer Spring One 30 Round HK Steel Maritime Magazine No FFL required as the...HKP-17366$1,779.95 -
HK416, MR556, HK417, MR762 Buttpad - E2 Concave
H&K Heckler & Koch
$55.95Heckler and Koch German E2 Concave Butt Pad for HK416, MR556 and HK417, MR762 Can be added as an option on the HK E1 HK416 and HK417 buttstock. Providing you an option to use either the concave or convex style buttpads for different mission requirements...HKP-00050$55.95 -
HK416, MR556, MR762, AR-15 Take Down Pin Set - Titanium
HKP HK Parts
$29.95AR15, M4, MR556, MR762, AR10 Enhanced Take Down Pin Set Front & Rear - Titanium Custom ultra strong pure titanium front and rear take down pin set. Each set included both the front and rear pins for any AR mil-spec style lower. Compatible...HKP-17936$29.95 -
HK G36, SL8 Recoil Spring Assembly, Complete
H&K Heckler & Koch
$69.95Recoil Rod Assembly for HK G36 & SL8 New HK factory German G36/SL8 (fits all variants of SL8/G36) recoil rod assembly complete. Great for replacement or for a spare as these have been hard to find.HKP-01057$69.95 -
HK G36, UMP Hammer - Full Auto
H&K Heckler & Koch
$49.95G36 & HK UMP Hammer For Lower Or Trigger GroupHKP-02308$49.95 -
Out Of Stock
HK91, G3 Locking Piece - 45 Degree
PTR
$21.9545 Degree Locking Piece - US Made PTR standard 45 degree locking piece made in the USA by PTR and is design to be a direct replacement for all .308 HK style firearms. Compatible With: G3 PTR 91 HK 91 Other costume clonesHKP-18518$21.95 -
HK91, G3, PTR TWO Magazines with Cloth Mag Pouch - 20 round
H&K Heckler & Koch
$49.95H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch 2 X New/like new HK German 20 round aluminum magazine with green cloth mag pouch combo deal: 2 X 20 round aluminum magazines and green cloth mag pouch. Compatible...HKP-15792$49.95 -
HK417, MR762 Upper Receiver Rod Tool
MI Midwest Industries
$159.95Midwest Industries Upper Receiver Rod Tool for HK417, MR762 Receiver support rod for HK417 and MR762 upper receivers. Designed to prevent receiver and index-pin damage during barrel nut removal, muzzle device installation, and other high-torque...HKP-22353$159.95