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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On Sale
HK MP5KSD Rubber Grip Only - Barrel Shroud Handguard
HKP HK Parts
Now: $114.72Was: $179.95HK Parts replacement rubber grip for HK MP5KSD Barrel Shroud and Handguard (Rubber Grip Only) Perfect size handguard to pair with the HKP MP5K SD shrouds. Engages perfectly on the machined lugs of...HKP-20951Now: $114.72Was: $179.95 -
On Sale
HK416, MR556 10" M-LOK Rail System - FDFE
KDG Kinetic Development Group
Now: $203.97Was: $319.95Rail System - 10" - Brown - M-LOK - HK MR556 The New KDG HK 556 M-LOK rails are direct mount rail system, replacing the factory HK 556 rail systems. These new rails are identical in design to their...HKP-19240Now: $203.97Was: $319.95 -
HK G36C, SL8 Flash Hider
H&K Heckler & Koch
$165.99H&K G36C (5.56/.223) G36C Flash Hider - Threaded 15x1 RH Threaded 15x1. Perfect for HK rifle barrels and conversion barrels. Specifications: Threaded 15x1 RHHKP-00630$165.99 -
On Sale
HK MP5 2-Stage Trigger - .40 S&W, 10mm
Timney Triggers
Now: $228.83Was: $358.95Timney Trigger for MP5 .40 S&W, 10mm The Timney HK MP5 .40 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...HKP-20510Now: $228.83Was: $358.95 -
On Sale
HK416, HK MR556 M-LOK Handguard with Overgrip - 11" - Coyote Tan
B&T Brugger & Thomet
Now: $187.46Was: $365.00B&T M-LOK Handguard for HK416/MR556, 11" with "Overgrip" Free-Cut on the Top Rail B&T's one-piece 11" M-LOK handguard for HK416 and MR556 rifles. The handguard is an easy to install, direct...HKP-20401Now: $187.46Was: $365.00 -
HK21 Bolt Carrier - Stripped - Incomplete
FMP HK CONTRACT
$499.95FMP HK 21 Stripped Bolt Carrier New old stock stripped HK21 FMP Full auto bolt carrier. Missing the catch lever assembly (see pictures). May have storage marks or light rust on the unfinished bottom...HKP-20034$499.95 -
On Sale
G36 Handguard HK German Original Style - Gray - Incomplete - Used
Now: $24.95Was: $49.95G36 Handguard HK German Original Style - Gray - Incomplete - UsedHKP-19773Now: $24.95Was: $49.95 -
Out Of Stock
HK UMP, USC, G36, SL8 Sear, Complete
HKP HK Parts
$14.95HKP HK Parts Complete Sear for HK G36, HK UMP, HK USC, and HK SL8 Made in the USA Compatible With: UMP USC G36HKP-19555$14.95
HK33, HK93, Barrel - 5.56 / .223 - 16" - 1 in 7 Twist Rate - RARE
H&K Heckler & Koch
$1,887.95HK33, HK93, Barrel, RARE 1 in 7 Twist Rate New HK93, 33 barrel featuring the uber rare 1 in 7 twist rate. The barrel features the factory pinned flash hider to achieve the non-SBR legal 16" overall...HKP-19344$1,887.95Out Of Stock
HK416, MR556, HK417, MR762 Buttstock Release Lever - RAL8000
H&K Heckler & Koch
$29.95Heckler and Koch MR556, MR762, HK416, HK417 Buttstock Release Lever - RAL 8000 Factory buttstock release lever finished in RAL 8000 for HK MR556, MR762, HK416, and HK417 platforms. Designed as a...HKP-19339$29.95
$24.95
HK G36 Picatinny Evaluation Adapter
H&K Heckler & Koch
$59.95HK G36 Picatinny Evaluation Adapter Picatinny Evaluation Adapter for Carry Handle and Sight Rail. Includes all mounting hardware. Compatible With: G36 G36KHKP-18779$59.95