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, SP5K Buffer Replacement - Choate Stocks
Choate
$20.95HK MP5K & SP5K Buffer Replacement - Choate Stocks Choate factory replacement buffer kit for Choate MP5K and SP5K stocks only.HKP-21041$20.95 -
Picatinny Optic Mount, Front Sight Tower - Red
$39.95HKP Picatinny Rail Mount for Front Sight Tower - Red HK Picatinny rail mount that replaces the forearm (small) push pin and mounts to the side of the front sight tower and allows you to add sling swivels, lasers, lights & accessories. This add on is...HKP-20800$39.95 -
HK91 SBA4 Pistol Stabilizing Brace and Adapter
SB Tactical
$319.95SB Tactical HK91 SBA4 Pistol Stabilizing Brace & Adapter Includes: G3, HK91 backplate & recoil assembly AR, M4 stock adapter Complete buffer assembly Castle nut SB Tactical Brace Features: Made in the USA Designed after the SBM4 5-position...HKP-19931$319.95 -
HK MP5 Bolt Group - Complete - .40 S&W, 10mm
HKP HK Parts
$414.95RCM- MP5 40 & MP5 10mm - Bolt Group Complete Ideal to replace out of spec, worn, or broken bolt groups or for that custom build. Includes: RCM bolt head complete RCM locking piece RCM firing pin RCM firing pin spring RCM full auto bolt carrier...HKP-19723$414.95 -
HK MR762, G28 Free Floating Rail System - RAL8000
H&K Heckler & Koch
$999.95HK MR762, 417 Extended Free Floating Rail System - RAL 8000 - Tan New Heckler & Koch MR762, HK 417, & G28 extended forearm with flip up front sight & suppressor window cutout. Optimized design to mitigate the heat emissions for long range...HKP-17707$999.95 -
HK417, MR762 Recoil Buffer Spring
H&K Heckler & Koch
$24.95H&K HK MR762/417 Recoil Buffer Spring A must have wear and replacement part for your, HK 417 & MR762 firearm. Compatible With: HK MR762 HK 417HKP-16608$24.95 -
HK416, MR556 DMR Extra Long Handguard
H&K Heckler & Koch
$859.95HK MR556/416 DMR Extra Long Forearm New Heckler & Koch MR556, HK 416 Extended DMR (designated marksman rifle) Forearm With Suppressor Window Cutout. Optimized design to mitigate the heat emissions for long range shooting and to prevent the mirage...HKP-17683$859.95 -
HK416, MR556 Charging Handle Release Latch
H&K Heckler & Koch
$39.95H&K HK MR556/416 Charging Handle Release Latch Perfect replacement item for the MR556 & HK 416 charging handle. New HK German manufacture. These can become chewed up and damaged with a hard drop or with heavy use. This is a great item to keep on...HKP-16553$39.95 -
$5.95 -
Out Of Stock
HK G36K Handguard - Quad Rail
B&T Brugger & Thomet
$329.95Swiss Made B&T Quad-Rail (4 Sided Picatinny Rail) Handguard For HK G36K Aluminum version with rail cover and sling swivel. The B&T offering is the finest railed hand guard available for the HK G36K or SL8 conversions to G36K spec.B&T...HKP-16895$329.95 -
Out Of Stock
HK21E, HK23E E Clip For Carry Handle - 7.62x51 / .308 - 5.56 / .223
H&K Heckler & Koch
$9.95HK German "E" Clip For Carry Handle For HK21 & HK23E folding carry handles. Clips are sold individually.HKP-00579$9.95 -
HK91, G3 Magazine Catch - Used
H&K Heckler & Koch
$16.95G3 Magazine Catch - HK 91, G3, PTR91 -.308/7.62 - USED The highest quality magazine catch available. High quality HK German production units are slightly used HK Parts from Heckler & Koch Germany. These also have the proper cut in them and do not...HKP-18693$16.95