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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Out Of Stock
HK33, HK53, HK93 Magazine Spring - 25 Round
H&K Heckler & Koch
$11.95HK 93, 33, & 53 Magazine Replacement Spring For 25-Round Magazines Hard to find and a must-have spare for your HK mags. No longer in production.HKP-00483$11.95 -
HK MP5, SP5K Optic Mount, Trijicon ACOG - 84mm - Low Profile
B&T Brugger & Thomet
$169.95B&T Mounting Rail NAR for HK MP5 & MP5K with Trijicon ACOG THIS MOUNT HAS BEEN DISCONTINUED. ONLY A COUPLE UNITS LEFT. Specifications: Color: Black Height max: 31.5 mm Length max: 84 mm Material: Aluminum Treatment: Hardcoat...HKP-17284$169.95 -
M3 Magazine - PMAG - 7.62x51 / .308 - 25 Round
Magpul
$24.95Magpul PMAG 25-LR 25-Round 7.62 NATO The 7.62x51 NATO (.308 Winchester) PMAG 25LR is a cost effective high reliability magazine for SR25/M110 pattern rifles featuring true 25-round capacity, constant-curve body, and snap on Impact/Dust Cover. Designed...HKP-16908$24.95 -
Out Of Stock
HK416, HK417, MR556, MR762 Takedown Pin - Rear - A4 Style
H&K Heckler & Koch
$43.95H&K MR556, HK416, HK417, MR762 Rear Takedown Pin Factory A4 rear takedown pin. Will work for A1 and A4 applications. Compatible With: HK MR556 A1 and A4 HK416 HK MR762 A1 and A4 HK417 AR-14, M4, M16HKP-22029$43.95 -
HK90 Series Trigger - Refinished
H&K Heckler & Koch
$19.95Refinished German 90 Series Trigger Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom buildsHKP-20678$19.95 -
Out Of Stock
Picatinny Rail Cover - 45mm
H&K Heckler & Koch
$14.95H&K 45mm Picatinny Rail Cover - Universal New factory HK rubberized picatinny rail cover. Specifications: Rail cover dimensions: 45x26x7 mm Compatible With: HK picatinny rails Other Picatinny railed applicationsHKP-18857$14.95 -
APC Jet Funnel - 9mm, .45 ACP
B&T Brugger & Thomet
$75.00B&T APC 9mm, APC .45 Jet Funnel Swiss B&T manufactured Jet funnel for the APC 9mm and .45 Cal models.HKP-18034$75.00 -
HK USP Grip Wrap - Granulate - .45 ACP
Talon Grip
$19.99TALON Grip - USP Full Size .45 - Granulate Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy. The...HKP-20280$19.99 -
HK 18 Round HK VP40, HK VP40 Tactical, HK P30, HK P30L, HK P30S .40 S&W Magazine - Red
$89.95H&K 18 Round HK VP40, HK VP40 Tactical, HK P30, HK P30L, HK P30S .40 S&W Magazine - Red HK Parts +5 magazine extension coupled with a 13 round .40 cal factory German magazine body adds 5 additional rounds. For a total fully assembled hand fitted...HKP-20182$89.95 -
HK/HKP 19 Round HK VP9SK/P30SK Magazine Complete
HKP HK Parts / Heckler & Koch
$89.9510 Round Magazine with Black +7 Extension - 9mm - HK VP9SK & P30SK Drop-in magazine ready to go! HK Parts takes an existing 10 round magazine a +7 magazine extension and a 17 round mag follower from conversion kits to assemble them into a working 19...HKP-20060$89.95 -
HK MP7 Retractable Buttstock- 3-Position
H&K Heckler & Koch
$199.95H&K HK MP7 3-Position Retractable Stock New German HK Rare HK MP7 - 3 Position Retractable ButtstockCompatible with all MP7A1 and MP7A2 FirearmsHKP-18283$199.95 -
HK45C LEM Conversion Kit - Complete
H&K Heckler & Koch
$199.95New HK German HK 45 Compact LEM Conversion Kit Complete For All HK 45 Compact Pistols Use factory installed trigger return spring for the light LEM (4.5-5.5lb) and the supplied heavy trigger return spring for the heavy LEM conversion. This LEM conversion...HKP-01037$199.95