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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    Used - HK Locking Roller -4 , 7.96mm - HKP-17558 HK Locking Roller -4 , 7.96mm

    HK Locking Roller -4 , 7.96mm

    HKP HK Parts

    Now: $7.16
    Was: $8.95
    7.96mm - Undersized -4 Roller For HK Roller Lock Bolt HeadHK spec under-sized roller that will fit all HK bolt heads including HK91/G3, HK93/33/53, HK94, MP5, SP89 all clones and the Cetme & Cetme clones. An easy way to remember the size you need to...
    Now: $7.16
    Was: $8.95
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    Used - H&K MP5 Full Auto Bolt Group Complete- IB DATE CODE - HKP-00662

    HK MP5 Bolt Carrier Group - Complete - Full Auto - IB DATE CODE

    H&K Heckler & Koch

    $0.00
    MP5 Full Auto Bolt Group Complete - IB DATE CODE-NEW OLD STOCK HK German 9mm MP5 full auto bolt carrier IB dated new old stock in 100% working order. These bolt groups are  HK German MP5  Limited quantity available. Heckler & Koch bolt...
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    Used - H&K 53/33 0-1-25 SEF Trigger Group-Used - HKP-00705

    HK33, HK53 Trigger Group - 0-1-25 SEF - Used

    H&K Heckler & Koch

    Now: $899.96
    Was: $999.95
    H&K 53/33 0-1-25 SEF Trigger Group-Used HK German 0-1-25 SEF trigger groups for 53/33 in used in good condition. These trigger groups are the ultimate choice to complete the factory correct look for a HK53. Given that the 0,1,25 trigger groups are no...
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  • HK MR762 A4 Barrel - 16.5" - Proofed HK MR762 A4 Barrel - 16.5" - Proofed
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    HK MR762 A4 Barrel - 16.5" - Proofed

    H&K Heckler & Koch

    $459.95
    HK MR762 A4 Barrel - 16.5" - Proofed Factory proofed HK MR762 A4 16.5" barrel with standard 5/8x24 RH thread pitch. Compatible With: HK MR762 A4
    $459.95
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  • On Sale
    HK416, MR556 A4 Hammer Washer HK416, MR556 A4 Hammer Washer
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    HK416, MR556 A4 Hammer Washer

    H&K Heckler & Koch

    Now: $53.06
    Was: $58.95
    Heckler and Koch Hammer Washer for HK MR556 OEM hammer washer for HK MR556 and HK416 rifles. Factory-spec replacement washer for the hammer assembly, ideal for repairs, rebuilds, or returning rifles to original HK configuration. Compatible...
    Now: $53.06
    Was: $58.95
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  • On Sale
    HK MP7 Back Plate - Complete HK MP7 Back Plate - Complete
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    HK MP7 Back Plate - Complete

    H&K Heckler & Koch

    Now: $55.76
    Was: $67.95
    HK MP7 Back Plate - Complete OEM complete back plate assembly for the HK MP7. Direct factory replacement back plate for maintaining or rebuilding your MP7 platform using original HK parts. Compatible With: MP7  
    Now: $55.76
    Was: $67.95
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  • On Sale
    HK91, G3 Magazine - 15 Round - Alloy HK91, G3 Magazine - 15 Round - Alloy
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    HK91, G3 Magazine - 15 Round - Alloy

    H&K Heckler & Koch

    Now: $40.46
    Was: $44.95
    Heckler and Koch HK91, G3, MSG90 15-Round Alloy Magazine Manufactured by Heckler & Koch and converted to 15-round capacity in the United States using a U.S.-made floorplate. Counts as one U.S.-made part for 922r compliance. Compatible With: HK91,...
    Now: $40.46
    Was: $44.95
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  • HK MR762 A4 Upper Receiver Kit - 16" HK MR762 A4 Upper Receiver Kit - 16"
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    HK MR762 A4 Upper Receiver Kit - 16"

    H&K Heckler & Koch

    $2,449.95
    HK UPPER RECEIVER KIT MR762 A4 - 16" The MR762 A4 upper kit contains a complete upper receiver and barrel assembly. The closed system design significantly reduces malfunctions typically associated with direct-impingement gas systems, as hot carbon...
    $2,449.95
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    HK MP5, SP5 Folding Stock - 11" HK MP5, SP5 Folding Stock - 11"

    HK MP5, SP5 Folding Stock - 11"

    Zenith

    Now: $89.95
    Was: $99.95
    Zenith HK MP5, SP5 Folding Stock Folds to the side for compact storage while providing a solid, stable shoulder stock when deployed. No modifications required on in-spec MP5 receivers. Specifications: Polymer and fiberglass reinforced Weight: 14.4...
    Now: $89.95
    Was: $99.95
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    HK MP5K, SP5K Folding Stock - 10" HK MP5K, SP5K Folding Stock - 10"

    HK MP5K, SP5K Folding Stock - 10"

    Zenith

    Now: $89.95
    Was: $99.95
    Zenith HK MP5K, SP5K, SP89 Folding Stock Folds to the side for compact storage while providing a solid, stable shoulder stock when deployed. No modifications required on in-spec MP5K receivers. Specifications: Polymer and fiberglass reinforced Weight:...
    Now: $89.95
    Was: $99.95
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  • On Sale
    B&T MP5 Handguard With LED Weapon Light -TL99 - PD Trade In - BLEMISHED B&T Brugger & Thomet HKP-16901-B B&T MP5 Handguard With LED Weapon Light -TL99 - PD Trade In - BLEMISHED B&T Brugger & Thomet HKP-16901-B
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    HK MP5, HK94 Handguard with LED Light -TL99 - PD Trade In - BLEMISHED

    B&T Brugger & Thomet

    Now: $339.95
    Was: $649.95
    B&T MP5 Handguard With LED Weapon Light -TL99 - PD Trade In - BLEMISHED SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Each unit handguard...
    Now: $339.95
    Was: $649.95
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  • On Sale
    MKE AP5, MP5 Front Sight Tower - CRACKED - GUNSMITH SPECIAL MKE HKP-22220-BL-B MKE AP5, MP5 Front Sight Tower - CRACKED - GUNSMITH SPECIAL MKE HKP-22220-BL-B
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    HK MP5, AP5 Front Sight Tower - CRACKED - GUNSMITH SPECIAL

    MKE

    Now: $9.95
    Was: $49.95
    MKE AP5, MP5 Front Sight Tower - CRACKED - GUNSMITH SPECIAL SOLD INDIVIDUALLY - CRACKED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Please Note: Will require...
    Now: $9.95
    Was: $49.95
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