HK Rifle / SMG Parts

HK Rifle / SMG Parts

Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!

Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.

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  • New - SB Tactical HK UMP & B&T APC Side Folding Pistol Stabilizing Brace - Black - HKP-19133 HK UMP, B&T APC Side Folding Pistol Stabilizing Brace
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    HK UMP, B&T APC Side Folding Pistol Stabilizing Brace

    SB Tactical

    $74.95
    SB Tactical HK UMP Side Folding Pistol Stabilizing Brace A skeletonized version of the SBT Pistol Stabilizing Brace, the SBTi enhances your B&T APC or HK UMP with an integral, side-folding mechanism. The SBTi variant also allows you to customize the...
    HKP-19133
    $74.95
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  • New - H&K HK G36, HK SL8 Ambidextrous Sling Pin - HKP-00619
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    HK G36, SL8 Ambidextrous Sling Pin

    H&K Heckler & Koch

    $49.95
    HK German G36/SL8 Ambidextrous Sling Pin This part replaces all of the HK SL8 or G36 push pins with a loop for the sling. This can be moved to attach a sling on either the left or right sides with ease.
    HKP-00619
    $49.95
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  • New - Geissele HK MR556 Trigger - HKP-16464 HK416, MR556 2-Stage Trigger
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    HK416, MR556 2-Stage Trigger

    Geissele

    $489.95
    Geissele Automatic's two stage trigger for the HK MR 556 rifle. The HK MR556 trigger is similar to Geissele's SSA with a 4.5 total pull weight. It can be used in both the HK 556 and semi-auto HK 416's. Each Trigger comes with full installation...
    HKP-16464
    $489.95
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  • Out Of Stock
    New - H&K 93/53/33 (5.56/.223) Backplate - Painted - HKP-16254 HK33, HK53, HK93 Backplate - Painted

    HK33, HK53, HK93 Backplate - Painted

    H&K Heckler & Koch

    $69.95
    Steel Back Plate For HK93, 33, 53 & MP5, 94- Painted HK Black HK German backplate with the recoil assembly cup guide installed. Each unit comes complete & freshly painted HK Black. Manufactured from German HK backplates with factory tooling...
    HKP-16254
    $69.95
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  • New - B&T MP5, SP5, 94, K - Mid Range Scope Mount - HKP-16877 HK MP5, SP5K, HK94 Optic Mount - Mid Range
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    HK MP5, SP5K, HK94 Optic Mount - Mid Range

    B&T Brugger & Thomet

    $119.95
    B&T MP5, SP5, 94 - Mid Range Scope Mount Includes a witness hole so you can use iron sights with the mount installed. B&T Switzerland is a world leader in arms innovation. This same mount is in use by several militaries around the world. Buy with...
    HKP-16877
    $119.95
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  • New - HKP HK MP5/MP5K Extractor - Enhanced Coated Polish - HKP-22181-M HK MP5, MP5K Extractor - Coated and Polished
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    HK MP5, MP5K Extractor - Coated and Polished

    HKP HK Parts

    $44.95
    HKP HK MP5/MP5K Extractor - Enhanced - Coated and Polished  Built for dependable performance, this coated and polished extractor delivers smooth cycling and consistent extraction. A great choice for both upgrades and routine replacements. Available...
    HKP-22181-M
    $44.95
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  • On Sale
    New - HKP HK 416 .22LR Dual Clamp - Magazine - HKP-21607-M HK416 Dual Magazine Clamp - .22 LR
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    HK416 Dual Magazine Clamp - .22 LR

    HKP HK Parts

    Now: $39.96
    Was: $49.95
    HKP HK 416 .22LR Dual Magazine Clamp  Securely hold two HK 416 .22LR magazines together for fast mag swaps. Precision-machined from billet aluminum. Our dual mag clamp is a must for those quick mag changes. Compatible With: HK 416 .22LR
    HKP-21607-M
    Now: $39.96
    Was: $49.95
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  • Used - H&K 91/G3 (7.62x51/.308) Slimline Forearm - Black - Used Good - HKP-18316 HK91, G3 Handguard - Slimline Style - Used Good
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    HK91, G3 Handguard - Slimline Style - Used Good

    H&K Heckler & Koch

    $17.45
    Used Authentic German Military Surplus Black Slim Line Forearm With Heat Shield Very good condition. For the money, these are a nice addition to the collection. Compatible With: all full forearm length HK 91, G3, PTR style firearms
    HKP-18316
    $17.45
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  • New - HKP G3/33/91/93 Bipod Replacement Feet Set - Steel - HKP-21310 HK91, G3, HK33, HK93 Bipod Replacement Feet Set
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    HK91, G3, HK33, HK93 Bipod Replacement Feet Set

    HKP HK Parts

    $18.95
    HKP G3/33/91/93 Bipod Replacement Feet - Set of Two (2) Replacement feet set for original H&K bipods.  Our replacement feet are suitable to replace both steel and plastic feet in factory HK bipods. Each kit includes a left and right bipod foot...
    HKP-21310
    $18.95
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  • Out Of Stock
    New - H&K HK MR556/416 Ejection Port Cover Door Assembly - HKP-16951 HK416, MR556 Ejection Port Cover Assembly

    HK416, MR556 Ejection Port Cover Assembly

    H&K Heckler & Koch

    $89.95
    HK German HK 416, MR556 Ejection Port Cover Door Assembly Complete This is the newer polymer style cover found on the latest HK 416 and MR556's. This is the complete ejection port door assembly needed on all AR15 or MR556/HK416 models. Can also be used...
    HKP-16951
    $89.95
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  • New - XS HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Night Sight - Front - HKP-00808 HK UMP, USC, G36, SL8 Front Night Sight
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    HK UMP, USC, G36, SL8 Front Night Sight

    XS Sights

    $84.95
    XS Sight Systems Trijicon - Front Night Sight Standard dot, the perfect size and fitment. This is a direct replacement for the factory sight. The night sight installs within a couple of minutes. The custom sight will enable you to get on target quicker...
    HKP-00808
    $84.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Cocking Handle Pin - HKP-01885
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    HK UMP, USC Cocking Handle Pin

    H&K Heckler & Koch

    $7.95
    HK UMP & USC Cocking Handle Pin Compatible With: HK UMP HK USC
    HKP-01885
    $7.95
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