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 MP5K, SP5K, SP89 Leather Sling - Single Point - Dark Brown
HKP HK Parts
$49.95Single Point Leather Sling - Dark Brown Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK...HKP-20270$49.95 -
HK SL8, 36 Extended Bottom Rail Kit
H&K Heckler & Koch
$99.95H&K HK SL8, HK G36 Extended Bottom Rail Kit This rail is the factory correct HK German manufactured bottom rail for the G36 or SL8 rifle. This allows the longest rail on the bottom of the polymer...HKP-16549$99.95 -
On Sale
HK UMP Magazine Follower - .45 ACP - US
USA
Now: $8.96Was: $9.95HK UMP .45 Magazine Follower - USA New UMP .45 magazine follower for all HK UMP .45 magazines. Compatible With: UMP 45 magazines both US or GermanHKP-20177Now: $8.96Was: $9.95 -
HK VP40 Tactical Bench Mat
HKP HK Parts
$13.95VP40 & VP40 Tactical Gunsmithing Bench Mat This isn't your ordinary gun cleaning mat. Show your pride for your VP40 firearm while using our high quality neoprene rubber backed and cloth topped gun...HKP-18159$13.95 -
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.HKP-16520$9.95 -
On Sale
HK416, COLT M4 Magazine Spring - .22LR - 10 Round
HKP HK Parts
Now: $1.88Was: $2.95HKP 10 Round HK 416/COLT M4 .22 Magazine Spring A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out. New production mag spring...HKP-14542Now: $1.88Was: $2.95 -
On Sale
HK VP9, P30, HK45C Front Sight - Vickers Elite - Red
Wilson Combat
Now: $35.96Was: $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:HKP-18380Now: $35.96Was: $39.95 -
HK416, MR556 Extractor Axle Pin
H&K Heckler & Koch
$11.95Heckler and Koch HK MR556 and 416 Extractor Axle Pin This factory HK German part holds the extractor in place on the bolt head. This item needs to be changed each time it is removed per HK...HKP-00040$11.95 -
On Sale
HK P30 EDC Magwell - Ultra Low Profile
HKP HK Parts
$38.22 - $59.95HKP HK P30 EDC Magwell - Ultra Low Profile The smallest and most streamlined EDC magwell for the HK P30, now featuring a fully functional funnel designed for rapid, seamless reloads. Crafted from...HKP-22189-M$38.22 - $59.95 -
On Sale
HKP .45 ACP Vertical Slot Micro Comp - Threaded 16x1 RH
HKP HK Parts
Now: $23.95Was: $29.95HKP .45 ACP Vertical Slot Micro Comp - Threaded 16x1 RH The HK Parts micro comp & thread protector strikes a balance between a lightweight, minimalistic design and range functionality. The micro comp...HKP-22084Now: $23.95Was: $29.95 -
On Sale
HK USP MOD 1 Compensator - 9mm, .40 S&W
HKP HK Parts
Now: $143.96Was: $179.95HK Parts MOD 1 Compensator for HK USP 9/40 The HK Parts MOD 1 compensator perfectly blends form and function, setting a new standard in muzzle control. Experience a significant reduction in muzzle...HKP-21905Now: $143.96Was: $179.95 -
On Sale
HK VP9SK, P30SK +5 Magazine Extension Kit
HKP HK Parts
$22.28 - $34.95Magazine Extension Kit +5 - HK VP9SK, HK P30SK HK Parts magazine extension kit adds 5 additional rounds to the HK VP9SK/P30SK magazine with the simple swap of the floor plate & high-reliability mag...HKP-20566-M$22.28 - $34.95