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 -
$79.95 -
HK417, MR762, G28 Ejection Port Cover Axle Spring
H&K Heckler & Koch
$9.95H&K HK MR762/417/G28 Ejection Cover Axle Spring New Hk German manufacture for the MR762 & HK 417 firearm. The spring is used on the axle and ejection port cover door to allow it to be closed and spring open. Compatible With: HK MR762 HK 417 HK...HKP-16753$9.95 -
HK USP Mag Pouch - Single
Comp-Tac
$39.95Comp-Tac HK USP Single Mag Pouch The Comp-Tac single magazine pouch is an outside the waistband holder to carry a spare magazine for competition, concealed carry or general use. The Comp-Tac single magazine pouch provides a rigid material that is custom...HKP-17494$39.95 -
Picatinny Battle Sight - HK Front Folding
Troy Industries
$119.95Troy Industries Tritium Front Folding BattleSight – HK Durability and dead-on accuracy have made the Troy Industries HK Front Folding Battle Sight one of the best choices for Special Ops and tactical users worldwide. Please Note: It will not work...HKP-00031$119.95 -
On Sale
HK MR556, MR762 H-Key 14 Rail Segment
HKP HK Parts
Now: $17.95Was: $39.95HKP HK MR556/CR556/MR762 H-Key 14 Rail Segment 14 slot rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style forearms now being shipped on the MR556, CR556, MR762 and similar models...HKP-17846Now: $17.95Was: $39.95 -
Out Of Stock
HK UMP, USC Extractor - .45 ACP
$39.95HK UMP & USC .45 Extractor Perfect for spares as they are prone to breakage and are a common wear item. Please Note: HK considers this a high wear and replacement item. Once removed from the carrier, the spring tension is compromised,...HKP-02623$39.95 -
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 -
On Sale
HK91, G3 Magazine - 15 Round - Refinished, BLEMISHED
H&K Heckler & Koch
Now: $44.95Was: $84.95Heckler and Koch 15 Round Steel Magazine, Refinished and marked BLEMISHED, for HK91, G3 7.62x51 / .308 MAGAZINE BODIES HAVE PITTING - CONDITION MAY VARY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR...HKP-21922-BNow: $44.95Was: $84.95