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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HK USP Magazine with Extension - 25 Round - 9mm
HKP HK Parts / Heckler & Koch
$119.95HKP 25 Round HK USP 9mm Magazine HK Parts +10 magazine extension coupled with a 15 round magazine. Each unit is then fully assembled as a 25 round magazine. Ideal for competitive shooters, concealed carry or for everyday use while at the range...HKP-21357-M$119.95 -
Out Of Stock
HK VP9, P30, HK45C Night Sight Set - Suppressor Height
Trijicon
$159.95HK Trijicon Green 3-Dot Suppressor Height Night Sight Set for HK45 Compact, VP9, P30 Trijicon Bright & Tough suppressor-height 3-dot night sight set for HK VP9, P30, and HK45C platforms. These sights use Trijicon’s tritium-illuminated green...HKP-19799$159.95 -
On Sale
HK MP5 Foregrip Weapon Light - 628 Momentary - USED
Surefire
Now: $399.95Was: $499.95Surefire 628 HK MP5 - Momentary Handguard - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY NO BATTERIES INCLUDED. USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Surefire 628 momentary forearm used...HKP-19403-BNow: $399.95Was: $499.95 -
HK417, MR762 Magazine Catch Spring
H&K Heckler & Koch
$9.95Heckler and Koch Magazine Catch Spring for HK417 and HK MR762 New HK German manufacture. Factory correct magazine catch for the magazine release. Compatible With: HK417, MR762 G28HKP-16520$9.95 -
Out Of Stock
HK VP9, P30, HK45C Front Sight - Vickers Elite - Red
Wilson Combat
$39.95Wilson Combat HK VP/45C/P30 Vickers Elite Front Sight - Red Snag Free Front Sight, Red Fiber Optic, Vickers Elite for H&K® .225 Compatible With: 45, 45C, P30 9mm, P30 40 S&W, P30L 9mm, P30L 40 S&W, P30SK,...HKP-18380$39.95 -
HK45, HK45 Compact V2 Right Side LH Lever
H&K Heckler & Koch
$31.95HK 45 & 45C V2 Right Side LH Lever This is the control lever for left-hand shooters. This would be the lever on the right side of the frame for left-hand shooters. The V2 left lever will allow for both the safety...HKP-02416$31.95 -
On Sale
HK91, G3 Bolt Head Complete - US Made
USA
Now: $119.95Was: $149.95Bolt Head - Complete This item is a complete bolt head using a combination of new HK German and New US-made parts. This part counts as 1 US-made compliant part for the 922r compliance. Compatible With: HK 91 HK G3 PTR-91 SAR3/8 Other HK .308 Clones or...HKP-00839Now: $119.95Was: $149.95 -
On Sale
HK MP5, MP5K Magazine Body - .40 S&W, 10mm - 30 Round - Straight
HKP HK Parts
Now: $23.95Was: $29.95HKP MP5 40/10 30 Round Magazine Body New US Made MP5 40/10 30 Round Magazine Housing Body. Each magazine body comes black in color. Each body counts as one US made compliant part and is a great item to have on hand to replace other junk mag bodies or...HKP-16508Now: $23.95Was: $29.95 -
Out Of Stock
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 VP9 Rail Mount Compensator - FDE
HKP HK Parts
Now: $134.95Was: $169.95HKP HK VP9 Rail Mount Compensator - FDE *DO NOT USE COMPENSATOR WITH A THREAD PROTECTOR INSTALLED ON THE BARREL. Doing so will result in damage to your firearm and compensator.* Specifications: Length - 4 1/4 inches Height - 2 1/2 inches Weight -...HKP-20977Now: $134.95Was: $169.95 -
On Sale
HK45C, P30 Holster - EV2 AIWB - Hybrid Max
Comp-Tac
$58.95 - $60.95Comp-Tac HK P30/HK45C EV2 AIWB Holster Hybrid Max Appendix inside-the-waistband (AIWB) hybrid holster designed for HK P30 and HK45C pistols. The eV2 Max combines a Kydex shell for secure firearm retention with a two-ply leather backing that rests...HKP-19571-M$58.95 - $60.95 -
On Sale
B&T APC9, APC45 Jet Funnel
B&T Brugger & Thomet
Now: $66.95Was: $75.00Brugger and Thomet 9mm, APC .45 Jet Funnel for B&T APC Swiss B&T manufactured Jet funnel for the APC 9mm and .45 Cal models.HKP-18034Now: $66.95Was: $75.00