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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  • A3 Tactical Picatinny Skelestock A3 Tactical Picatinny Skelestock
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    A3 Tactical Picatinny Skelestock

    JMK

    $338.95 - $353.95
    A3 Tactical Picatinny Skelestock The A3 Tactical Skelestocks are fixed-length folding skeleton stocks meticulously machined from 6061 aluminum. An ambidextrous hinge enables it to fold either to the right or left, depending on the mounting...
    HKP-22410-M
    $338.95 - $353.95
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  • HK MP5, MP5K Flash Hider for Tri-Lug Barrels - 1/2x28 - Taper Mount HK MP5, MP5K Flash Hider for Tri-Lug Barrels - 1/2x28 - Taper Mount
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    HK MP5, MP5K Flash Hider for Tri-Lug Barrels - 1/2x28 - Taper Mount

    JMAC Customs

    $116.95
    1/2x28 - Plan B Taper Mount Flash Hider for MP5 & MP5K This flash hider is specifically designed for use on MP5, MP5K, and clone firearms featuring the MP5-spec. tri-lug.  The internal profile clears the front of the tri-lugs when installed...
    HKP-22407
    $116.95
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    $116.95
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  • On Sale
    Angled Foregrip - M-LOK - Walnut Angled Foregrip - M-LOK - Walnut
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    Angled Foregrip - M-LOK - Walnut

    JMK

    Now: $33.71
    Was: $43.95
    JMK Angled foregrip M-LOK - Walnut JMK's M-LOK covers feature an integrated hand stop to ensure a secure grip during use. They are an excellent choice for pairing with JMK M-LOK Covers, providing your build with a high-quality finish. These covers are...
    HKP-22405-M
    Now: $33.71
    Was: $43.95
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    Was: $43.95
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  • Rail Panel Cover - M-LOK - 3 Slot Rail Panel Cover - M-LOK - 3 Slot
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    Rail Panel Cover - M-LOK - 3 Slot

    JMK

    $18.95 - $23.95
    Rail Panel Cover - M-LOK - 3 Slot JMK M-LOK rail panels are compatible with platforms featuring M-LOK slots. These modular panels are suited for numerous applications. Each panel is sold individually. M-LOK panels are CNC-machined from solid walnut...
    HKP-22403-M
    $18.95 - $23.95
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  • Rail Panel Cover - M-LOK - 2 Slot Rail Panel Cover - M-LOK - 2 Slot
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    Rail Panel Cover - M-LOK - 2 Slot

    JMK

    $13.95 - $18.95
    JMK Rail Panel Cover - M-LOK - 2 Slot JMK M-LOK rail panels are compatible with platforms featuring M-LOK slots. These modular panels are suited for numerous applications. Each panel is sold individually. M-LOK panels are CNC-machined from solid...
    HKP-22402-M
    $13.95 - $18.95
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  • On Sale
    HK416, MR556 CQC Pistol Grip - Walnut HK416, MR556 CQC Pistol Grip - Walnut
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    HK416, MR556 CQC Pistol Grip - Walnut

    JMK

    Now: $59.96
    Was: $78.95
    JMK HK416, MR556 CQC pistol grip - Walnut The CQC pistol grip by JMK is crafted from CNC-machined black walnut. After machining, the grip is dyed to a uniform color and finished with a catalyzed satin seal. These grips are compatible with any firearm...
    HKP-22401-M
    Now: $59.96
    Was: $78.95
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  • HK G3 - FMP Early Type Demilled Front End - No Cocking Handle Assembly FMP HK CONTRACT HKP-22377 HK G3 - FMP Early Type Demilled Front End - No Cocking Handle Assembly FMP HK CONTRACT HKP-22377
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    HK FMP G3 Early Type De-Milled Front End - No Cocking Handle Assembly

    FMP HK CONTRACT

    $68.95
    HK G3 - FMP Early Type De-milled Front End - No Cocking Handle Assembly Early style G3 front end with no hanger from de-milled FMP G3 parts kits. Perfect for custom builds.  Includes: Cocking tube Trunnion Barrel pin
    HKP-22377
    $68.95
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  • HK416, MR556 Handguard - 12.5" - M-LOK - Tropentarn HK416, MR556 Handguard - 12.5" - M-LOK - Tropentarn
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    HK416, MR556 Handguard - 12.5" - M-LOK - Tropentarn

    H&K Heckler & Koch

    $488.95
    H&K HK MR556/HK 416 12.5" M-LOK Handguard - Tropentarn New HK German manufactured handguard for the HK 416 and MR556 firearm. ONLY 3 AVAILABLE Compatible With: HK MR556 HK 416
    HKP-99327
    $488.95
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    $488.95
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  • Out Of Stock
    On Sale
    H&K HK MR556/416 Mil-Spec German E1 Rear Stock - Black - USED H&K Heckler & Koch HKP-00052-USED H&K HK MR556/416 Mil-Spec German E1 Rear Stock - Black - USED H&K Heckler & Koch HKP-00052-USED

    HK416, MR556 Mil-Spec German E1 Stock - Black - USED

    H&K Heckler & Koch

    Now: $167.95
    Was: $222.95
    H&K HK MR556/416 Mil-Spec German E1 Stock - Black - USED ONLY 1 UNIT AVAILABLE - AS PICTURED - SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. The HK E1 Buttstock fits mil-spec buffer...
    HKP-00052-USED
    Now: $167.95
    Was: $222.95
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  • On Sale
    HK 416 A5 Bolt Carrier H&K Heckler & Koch HKP-22328 HK 416 A5 Bolt Carrier H&K Heckler & Koch HKP-22328
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    HK416 A5 Bolt Carrier

    H&K Heckler & Koch

    Now: $1,549.95
    Was: $1,997.95
    H&K HK416 A5 Bolt Carrier Factory HK416 A5 full auto bolt carrier.  This carrier is backwards compatible with earlier HK416 A1 and A3 variants. Features the updated captive firing pin retaining system. Compatible With: HK416 A5 HK416 A1 HK416...
    HKP-22328
    Now: $1,549.95
    Was: $1,997.95
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    Now: $1,549.95
    Was: $1,997.95
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  • On Sale
    HK 417/MR762 Bolt Carrier H&K Heckler & Koch HKP-22282 HK 417/MR762 Bolt Carrier H&K Heckler & Koch HKP-22282
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    HK417 Bolt Carrier - Full Auto

    H&K Heckler & Koch

    Now: $1,669.95
    Was: $1,859.95
    H&K HK417 Bolt Carrier - Full Auto Genuine factory full auto HK417 bolt carrier.  Although designed for the full auto HK417, the carrier is compatible with MR762 receivers. Limited number available. Compatible With: HK417 HK...
    HKP-22282
    Now: $1,669.95
    Was: $1,859.95
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    Now: $1,669.95
    Was: $1,859.95
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  • Out Of Stock
    On Sale
    New - H&K HK53 Locking Piece #3 - 58 Degree - New Old Stock - HKP-99315 H&K HK53 Locking Piece #3 - 58 Degree - New Old Stock - USED H&K Heckler & Koch HKP-99315

    HK33K, HK53 Locking Piece #3 - 58 Degree - New Old Stock

    H&K Heckler & Koch

    Now: $1,449.95
    Was: $1,949.95
    H&K HK53 Locking Piece #3 - 58 Degree - New Old Stock ONLY 2 UNITS AVAILABLE - AS PICTURED Priced for ONE Locking Piece - Condition Varies by Unit - Sold Individually Rare genuine German HK #3 locking piece. This is the correct factory locking...
    HKP-99315
    Now: $1,449.95
    Was: $1,949.95
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    Now: $1,449.95
    Was: $1,949.95
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