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
HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 5/8x24
PTR
$214.95PTR HK G3/91 (7.62x51/.308) GI Barrel - Threaded 5/8x24 New PTR91 US made G.I. spec 18" barrel. Perfect for any barrel threaded 5/8x24. New production perfect for new builds. This part counts as one US made compliant part. Specifications: Overall Lenght...HKP-18435$214.95 -
HK91, G3 Rear Sight
H&K Heckler & Koch
$28.95HK German Factory Rear Sight Assembly With Drum Assembly - New Each rear sight is a brand new, old stock genuine Heckler & Koch rear sight. Comes as shown. Mounting hardware is offered separately. Now out of production, it's rare and hard to find in...HKP-00361$28.95 -
Out Of Stock
HK MP5K, SP5K, SP89 Barrel - 9mm - 5.85" - 3 Lug
RCM
$149.95RCM MP5K/SP5K/SP89 9mm Barrel - Non-Threaded 3-Lug This is the only US-made non-threaded barrel that uses the same steel and Cold Hammer Forged (CHF) process as Heckler & Koch. Precision-milled to the latest MP5KN PDW specifications with...HKP-01764$149.95 -
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 -
HK416, MR556, HK417, MR762 Selector Lever - Ambi - Right
H&K Heckler & Koch
$11.95Heckler & Koch HK416 Ambi Safety Selector Lever Factory HK polymer right side selector lever. Compatible With: HK416 A1/A3 HK MR556 A1 HK417 HK MR762 A1HKP-22309$11.95 -
On Sale
HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished - BLEMISHED
H&K Heckler & Koch
Now: $44.95Was: $84.95HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished - BLEMISHED MAGAZINE BODIES HAVE PITTING - CONDITION MAY VARY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES...HKP-21922-BNow: $44.95Was: $84.95 -
On Sale
HK MP5 Dual Magazine Clamp - 10mm, .40 S&W
HKP HK Parts
Now: $39.96Was: $49.95HKP HK MP5 40/10 Dual Magazine Clamp The HK Parts MP5 40/10 dual magazine clamp is expertly crafted to fit all 40/10 MP5 polymer magazines. Constructed from durable aluminum and finished with a type 3 hard anodize for enhanced protection and a premium...HKP-21614-MNow: $39.96Was: $49.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic Boom Boom
Zenith
$43.95Zenith 30 Round HK MP5 Supersonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...HKP-20830$43.95 -
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 -
HK SL8, G36 Top Rail Screw
H&K Heckler & Koch
$14.95HK SL8 & G36 Top Rail Screw This rail screw is the standard length rail screw used for all SL8 and G36 top rails. With the exception of the dual and single option models. A must have part and an easy part to loose or strip. Grab yours to have...HKP-16390$14.95 -
HK417, MR762 Rail System - DMR Free Floating
H&K Heckler & Koch
$949.95HK MR762, 417 Extended Free Floating Rail System New Heckler and Koch MR762, HK417, and G28 Extended DMR (designated marksman rifle). Forearm with flip up front sight and suppressor window Cutout. Optimized design to mitigate the heat emissions for long...HKP-17706$949.95 -
HK MP5 LS5 Trigger Group, Complete - Semi Shelf
Lee Sporting
$549.95Lee Sporting LS5 Complete Trigger Group - MP5 Semi-shelf The LS5 trigger group from Lee Sporting is a definitive ergonomic upgrade over the OEM grip, boasting a weight reduction of 4.3oz compared to the original. This billet aluminum trigger group is...HKP-20465$549.95