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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  • On Sale
    HK21 Barrel - 17.7" - Threaded 15X1 - 7.62x51 / .308 HK21 Barrel - 17.7" - Threaded 15X1 - 7.62x51 / .308
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    HK21 Barrel - 17.7" - Threaded 15X1 - 7.62x51 / .308

    Michaels Machines

    Now: $994.95
    Was: $1,189.95
    MM HK21 Barrel - 17.7" - CHF Michael's Machines HK21 barrels are crafted in the US from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance. Barrels come stripped, requiring a flash hider/muzzle device and barrel handle assembly (all...
    HKP-22332
    Now: $994.95
    Was: $1,189.95
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    Now: $994.95
    Was: $1,189.95
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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
    Heckler and Koch 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...
    HKP-99315
    Now: $1,449.95
    Was: $1,949.95
    Out Of Stock
    Qty in Cart: 0
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    Now: $1,449.95
    Was: $1,949.95
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  • On Sale
    HK USC, SL8 Buttstock Screw - USED HK USC, SL8 Buttstock Screw - USED
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    HK USC, SL8 Buttstock Screw - USED

    H&K Heckler & Koch

    Now: $7.95
    Was: $12.95
    H&K USC/SL8 (.45 ACP/5.56/.223) Buttstock Screw - USED ONLY 2 UNITS AVAILABLE - AS PICTURED 1 SCREW PER ORDER - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...
    HKP-01649-B
    Now: $7.95
    Was: $12.95
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    Qty in Cart: 0
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    Now: $7.95
    Was: $12.95
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  • On Sale
    HK MP5 Tactical Weapon Light - USED Used - B&T HK MP5 Tactical Weapon Light - USED - HKP-99270
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    HK MP5 Tactical Weapon Light - USED

    B&T Brugger & Thomet

    Now: $129.95
    Was: $299.95
    B&T HK MP5 Tactical Handguard Weapon Light - USED   ONLY 3 UNITS LEFT - VARYING CONDITION SHOWN - SOLD INDIVIDUALLY   DOES NOT INCLUDE BATTERIES LED weapon light compatible with B&T TL99 MP5/SP5 handguards.  Specifications: High...
    HKP-99270
    Now: $129.95
    Was: $299.95
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    Qty in Cart: 0
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    Now: $129.95
    Was: $299.95
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  • Used - H&K G3/91 Factory F/A Bolt Carrier - SURPLUS - HKP-22161 HK91, G3 Bolt Carrier - Full Auto - SURPLUS
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    HK91, G3 Bolt Carrier - Full Auto - SURPLUS

    H&K Heckler & Koch

    $149.95
    Heckler and Koch Factory F/A Bolt Carrier for HK G3 and HK91 - SURPLUS UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Surplus factory H&K full-auto steel bolt carrier for the G3. Serves as the primary cycling component, driving the...
    HKP-22161
    $149.95
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    Qty in Cart: 0
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    $149.95
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  • Out Of Stock
    New - MKE 30 Round AP53 Magazine - HKP-22088 Century Arms AP53 Magazine - 30 Round

    Century Arms AP53 Magazine - 30 Round

    MKE

    $54.95
    MKE 30 Round Magazine - Steel The MKE 30-Round Steel Magazine is a rugged, corrosion-resistant mag designed for the MKE 5.56 AP53 platform. Compatible With: Century Arms AP53 HK53 In-spec. clones and custom builds
    HKP-22088
    $54.95
    Out Of Stock
    Qty in Cart: 0
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    $54.95
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  • Refurbished - HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished - HKP-21922 HK91, G3 Magazine - 15 Round - Steel - Refinished
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    HK91, G3 Magazine - 15 Round - Steel - Refinished

    H&K Heckler & Koch

    $84.95
    HK Heckler and Koch 15 Round Steel Magazine - Refinished for HK G3 and HK91 (7.62x51/.308) HK G3 factory steel 15-round magazine, expertly restored to its former glory. This magazine has been meticulously refinished inside and out, featuring a polished...
    HKP-21922
    $84.95
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    Qty in Cart: 0
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    $84.95
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  • New - SEE NOTES H&K MP5 Ambidextrous Trigger Pack Housing SEE NOTES - HKP-21868 HK MP5, HK90 Series Trigger Pack Housing - Ambi - Semi-Auto
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    HK MP5, HK90 Series Trigger Pack Housing - Ambi - Semi-Auto

    HKP HK Parts / Heckler & Koch

    $248.95
    H&K 90 series Ambidextrous Trigger Pack Housing - Semi-Auto This German-made steel trigger pack housing is designed for ambidextrous trigger packs and selector levers. It starts as a factory F/A trigger pack, then is converted to semi-auto and coated...
    HKP-21868
    $248.95
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    Qty in Cart: 0
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    $248.95
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  • New - H&K A3 Stock Release Lever Rebuild Kit - HKP-21851
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    HK A3 Buttstock Release Lever Rebuild Kit

    H&K Heckler & Koch

    $14.95
    H&K A3 Stock Release Lever Rebuild Kit This A3 collapsible stock rebuild kit is designed for the release lever on MP5, SP5, 93/53/33, and G3/91 collapsible stocks.  With A3 stocks becoming more expensive it's a great idea to keep this kit on...
    HKP-21851
    $14.95
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    Qty in Cart: 0
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    $14.95
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  • New - H&K HK21E/23E Rear Sight Base - HKP-21849 HK21E, HK23E Rear Sight Base
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    HK21E, HK23E Rear Sight Base

    H&K Heckler & Koch

    $89.95
    H&K HK21E/23E Rear Sight Base Factory German HK21E/23E rear sight base ready to weld on your build. The rear sight base serves as the mounting point for the rear sight, providing stability and proper alignment for accuracy on your HK21E or HK23E. As...
    HKP-21849
    $89.95
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    $89.95
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  • On Sale
    Used - HK 93/53/33 Unfinished Polymer Trigger Piece - USED - HKP-99050 HK33, HK53, HK93 Unfinished Polymer Trigger Piece - USED
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    HK33, HK53, HK93 Unfinished Polymer Trigger Piece - USED

    USA

    Now: $14.95
    Was: $79.95
    HK 93/53/33 Unfinished Polymer Trigger Piece - USED This unfinished trigger piece is compatible with HK 90 series firearms. Ideal for those looking to complete or customize their build. Compatible With: HK 93/53/33 THIS CLOSEOUT PART IS NOT ELIGIBLE...
    HKP-99050
    Now: $14.95
    Was: $79.95
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    Now: $14.95
    Was: $79.95
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  • New - HKP HK MP5 9mm Receiver Flat w/o Sling Clip - HKP-21828 HK MP5 Receiver Flat - 9mm - no Sling Clip
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    HK MP5 Receiver Flat - 9mm - no Sling Clip

    HKP HK Parts

    $189.95
    HKP HK MP5 9mm Receiver Flat w/o Sling Clip The MP5 9mm receiver flat serves as the foundation for custom MP5 builds. This version does not include a sling clip cutout, offering flexibility for customization. Precision-engineered for compatibility with...
    HKP-21828
    $189.95
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    Qty in Cart: 0
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    $189.95
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