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 VP9, P30, USPC, P2000 Magazine Follower - 9mm / .40 S&W
H&K Heckler & Koch
$9.95HK VP, P30, USPC, & P2000 9mm/.40 S&W Magazine Follower This is a great replacement item and one that is good to have on hand for spares as they wear with use. Compatible With: HK VP9, VP9SK, VP40 9mm & .40 P30,...$9.95 -
Semi Auto Shelf For Receiver - Billeted
$19.95Semi Auto Shelf For Receiver - Billeted HK Semi Auto Shelf milled from one solid billet to HK's factory specifications (no castings here). This is the needed receiver shelf that is welded to the receiver to allow the use of the clipped & pinned...$19.95 -
HK91, G3 Weldment Set Complete
HKP HK Parts
$79.95HK G3, HK91, PTR Weldment Set Complete New US manufactured billeted from solid ordnance grade bar stock. Perfect for roller lock or other custom builds. Each weldment set unit is precisely machined. Includes: Rear sight base Semi auto shelf 2 X rear...$79.95 -
HK P30, P2000 Combat Defensive Action Upgrade For LEM 4.1 Pistols
H&K Heckler & Koch
$89.95H&K HK P Series Combat Defensive Action Upgrade For LEM 4.1 Pistols Found on all (European CDA) variant 4.1 models. This drop in LEM upgrade kit is a great trigger upgrade that reduces the trigger pre-travel by about 5mm or 1/3 of the original...$89.95 -
HKP 12 Round HK45C, HK USPC .45 ACP Magazine
HKP HK Parts
$79.95HKP 12 Round HK45C, HK USPC .45 ACP Magazine HK Parts magazine extension +4 adds 4 additional rounds to the HK45C, 8 round magazine. Each unit is then fully assembled as a 12 round HK45C magazine. Ideal for competitive shooters, concealed carry or for...$79.95 -
HK 9mm Thread Adapter - Barrel - Converts 13.5x1 To 1/2x28 LH
Kaw Valley Precision
$29.95Kaw Valley Precision 9mm Thread Adapter Converts your HK 9 mm Barrel from 13.5x1 LH To 1/2x28 Converts barrel thread pitches to match desired muzzle device thread pitches. For example, this adapter converts a 13.5x1 LH barrel thread to a 1/2x28 thread,...$29.95 -
HK MP5, MP5K Magazine - 30 Round
Mora Arms
$29.95Mora Arms HK MP5, MP5K Magazine - 30 Round 30-round curved steel magazine for MP5 platforms. Compatible With: HK MP5, SP5 HK MP5K, SP5K HK SP89 HK 94 In spec. clones and custom builds$29.95 -
HK USP Magazine - .40 S&W - 16 Round - Translucent
H&K Heckler & Koch
$50.00HK German USP .40 cal Jet funnel Magazine The 16-round magazine will fit all HK USP .40 full-size pistols, as well as the HK .40 Expert and Elite. This item can be used with or without the jet funnel magazine. Please Note: For the mag to fit flush with...$50.00 -
HK Recoil Rod Guide Ring For Recoil Rod Assemblies
H&K Heckler & Koch
$7.99HK Recoil Rod Guide Ring For Recoil Rod Assemblies This item is a high-wear item & is great to have as a spare part. Compatible With: HK MP5 HK 94 HK MP5K HK 91 HK G3 HK 93 HK 33 HK 53 HK 21 (not E guns) Other HK 90 Series Rifles & Pistols.$7.99 -
Out Of Stock
HK G36C Parts Kit
HKP HK Parts
$1,499.95HKP G36C Parts Kit HK Parts brings you a complete G36 parts kit, loaded out with everything you need to complete a stripped receiver. Our parts kits will have the highest quality parts for ultimate reliability. Guaranteed to be the most...$1,499.95 -
HK Single Point Sling - Quick Detach - Black
NcSTAR
$29.95HKP Single Point Sling in Black - Quick Detach Specifications: Style: bungee-type design for positive retention and control Connection: HK sling hook attachment point with elastic cover Heavy duty 1.5" wide adjustable nylon webbing and elastic bungee...$29.95 -
HK USP, Mark 23 Enhanced Magazine Extension Kit - .45 ACP - +5
HKP HK Parts
$49.95HKP HK USP .45 ACP/Mark 23 Enhanced Magazine Extension Kit +5 HK Parts USP .45/Mark 23 enhanced +5 magazine extension. Our design represents a symbiotic balance of form and function. The added grooves enhance dexterity during those quick mag swaps while...$49.95