Parts
At HK Parts, we offer a wide range of high-quality Heckler and Koch accessories and components for your favorite firearms. Whether you are upgrading a Heckler and Koch pistol or rifle, or building with parts kits, we have you covered. Explore top-rated components for VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, find the parts you need to enhance performance, reliability, and function.
Popular upgrades include match triggers, threaded barrels, compensators, optic plates, and extended magazines. Rifle owners often add enhanced stocks, forearms, and ambidextrous controls.
MP5 and MP5K kits are top sellers, giving shooters authentic components for iconic builds. G36 and HK416 kits are also highly sought after by collectors and professionals alike.
HKP offers the world’s largest H&K-focused catalog, with better availability, faster fulfillment, and expert support compared to general retailers.
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HK416, MR556 Gas Block - Slimline - Vented
H&K Heckler & Koch
$145.95Heckler and Koch Low Profile Complete Gas Block for HK MR556, HK416, HK German Factory slimline, low-profile gas block for the HK416 and HK MR556. This is the factory-correct gas block found on the MR556. Correct gas block to use with...HKP-02660$145.95 -
HK P2000, USPC Magazine Spring - 12 Round - .40 S&W
H&K Heckler & Koch
$5.95HK USPC .40 & P2000 40 S&W 12 Round Magazine Spring Newer improved, latest production, upgraded spring designed for a stiffer spring tension required by several US government agencies. Compatible With: HK P2000 .40 S&W 12-round...HKP-01481$5.95 -
HK45, HK45C, USP Compact Magazine Follower
H&K Heckler & Koch
$9.95HK USPC, 45, & 45C Magazine Follower A great spare to have on hand as the follower is a wear and replacement part. Do not forget to order spare magazine springs while you are at it. HK German manufacture. Compatible With: HK USPC .45 HK USPC .45...HKP-02249-M$9.95 -
HK33, HK91, G3 Recoil Rod Stop Pin
H&K Heckler & Koch
$9.95G3, 91, PTR, 93, & 33 Recoil Rod End Cap New HK German recoil rod end cap or stop pin for HK factory recoil rods. This item retains the recoil spring on the recoil rod assembly. A great spare and wear and replacement part. Compatible With: HK G3, 91...HKP-01157$9.95 -
On Sale
HK MP5 Receiver Flat - .40 S&W, 10mm
HKP HK Parts
Now: $194.95Was: $399.95MP5 40 & MP5 10mm Receiver Flat - USA The new and latest production with the weldment locations is already lasered and ready to go. This flat is the finest available for the MP5 40/10 family of firearms. Compatible With: MP5 .40 Cal MP5 10mm MP5 ...HKP-00767Now: $194.95Was: $399.95 -
HK VP9SK, P30SK Magazine - 9mm - 10 Round - Red Follower
H&K Heckler & Koch
$49.95H&K 10 Round HK VP9SK/P30SK 9mm Magazine - Red Follower German HK manufacture 10 round 9mm P30SK/VP9SK magazine with standard flush fit floorplate. This magazine is the same for the VP9SK & P30SK. Compatible With: VP9SK P30SKHKP-21431$49.95 -
On Sale
Blast Shield - 9mm - Quick Detach with 3 Lug
Angstadt Arms
Now: $84.95Was: $99.95Angstadt Arms, Blastwave, Blast Diverter, 9MM, 3 Lug Attachment Ideal for close quarters environments or shooting in teams, the Blastwave 3-Lug 9mm QD Blast Shield reduces concussive forces on the shooter and those nearby by redirecting the blast...HKP-19983Now: $84.95Was: $99.95 -
On Sale
HK45, HK45T, P30L International Holster
Comp-Tac
$66.95 - $71.95Comp-Tac HK 45/Tactical/P30L International Holster The International is an outside the waistband holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this holsters is perfect for competition...HKP-17482-M$66.95 - $71.95 -
HK -6 Roller For Bolt Head 7.94mm - Under-sized
H&K Heckler & Koch
$27.95H&K -6 Roller For Bolt Head 7.94mm - Under-sized New HK German -6 roller that measures 7.94mm. For use with all HK 90 series firearms. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way...HKP-00342$27.95 -
On Sale
HK MP5SD Tri- Rail Mount for Suppressor - 9mm
B&T Brugger & Thomet
Now: $142.95Was: $158.95B&T MP5SD 9mm Tri- Rail Mount for Suppressor Can accommodate suppressors up to 1.60 inches in overall diameter. Specifications: Color: Black Diameter max: 57.5 mm Length max: 44.5 mm Length of right rail: 30 mm Length of left rail: 30...HKP-16880Now: $142.95Was: $158.95 -
On Sale
HK91, G3, PTR91 2 Point Leather Sling - Dark Brown
HKP HK Parts
Now: $39.95Was: $49.952 Point Leather Sling - Dark Brown These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German artisan and made in the USA. Made from quality USA...HKP-20271Now: $39.95Was: $49.95 -
Out Of Stock
HK45, HK45C, USP, USPC, P2000 Shaped Spring - Slide Release
H&K Heckler & Koch
$9.95HK Slide Release Spring This is a high-wear item, as it cannot be reused once damaged or removed. It must be replaced with a new spring. Compatible With: HK USP 9mm, .40 & .45 HK USP Compact 9mm, .40 & .45 HK USP Tactical, Elite & Expert...HKP-01260$9.95