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 - HK .45 ACP Titanium Thread Protector - Threaded 16x1 LH - HKP-17942 HK45 Thread Protector - 16x1 LH - Titanium
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    HK45 Thread Protector - 16x1 LH - Titanium

    $24.95
    HK .45 ACP Titanium Thread Protector - Threaded 16x1 LH Crafted from solid titanium, this tactical thread protector fits all HK45 full-size and compact barrels threaded 16x1 LH. Essential for safeguarding your threaded barrels and exposed threads, it...
    HKP-17942
    $24.95
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    $24.95
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  • New - RCM HK 21E/23E (7.62x51/.308) & (5.56/.223) Locking Piece #9 - 40 Degree - HKP-02521 HK21E, HK23E Locking Piece #9 - 40 Degree
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    HK21E, HK23E Locking Piece #9 - 40 Degree

    RCM

    $49.95
    Locking Piece #9 - 40 Degree - US Made Compatible With: HK 21e HK 23e
    HKP-02521
    $49.95
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    $49.95
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  • New - H&K 91/G3 (7.62x51/.308) Bolt Locking Lever Set - HKP-02683
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    HK91, G3 Bolt Locking Lever Set

    H&K Heckler & Koch

    $24.95
    HK91, G3, & PTR-91 .308 HK Bolt Carrier Bolt Locking Lever Set This is the bolt carrier locking lever set that retains the bolt head to the carrier. Each Locking Lever Set Includes: 7.62 locking lever Locking lever axle...
    HKP-02683
    $24.95
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    $24.95
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  • New - H&K 33/91/93/53/G3 (5.56/.223) & (7.62x51/.308) Recoil Rod Stop Pin - HKP-01157
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    HK33, HK91, G3 Recoil Rod Stop Pin

    H&K Heckler & Koch

    $9.95
    G3, 91, PTR, 93, & 33 Recoil Rod End Cap New HK German recoil rod end cap or stop pin for HK factory recoil rods. This item retains the recoil spring on the recoil rod assembly. A great spare and wear and replacement part. Compatible With: HK G3, 91...
    HKP-01157
    $9.95
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    $9.95
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  • New - HKP MP5, HK94 Cocking Tube - HKP-01843 HK MP5, HK94 Cocking Tube
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    HK MP5, HK94 Cocking Tube

    HKP HK Parts

    $79.95
    New HKP HKP Parts HK MP5, HK94 Cocking Tube Features include an enlarged charging handle, clamping pin, and access hole, as found on the latest style MP5F 40/10 cocking tube.  Compatible With: HK MP5 HK94 Custom HK MP5, HK94 style builds
    HKP-01843
    $79.95
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    $79.95
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  • On Sale
    New - MKE HK MP5 Hammer Spring - HKP-22224 MKE HK MP5 Hammer Spring MKE HKP-22224
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    HK MP5, MP5K Hammer Spring - 9mm - US

    MKE

    Now: $3.89
    Was: $5.89
    MKE MP5/MP5K, AP5 Hammer Spring MKE MP5/AP5 replacement hammer spring.  Worn hammer springs can cause light primer strikes and misfires.  A great part to load up on for years of trouble free shooting. Crafted per HK specifications by MKE...
    HKP-22224
    Now: $3.89
    Was: $5.89
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    Now: $3.89
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  • On Sale
    New - Strike Industries HK MP5K Dual Folding Stabilizer with Adapter - HKP-21386-M HK MP5K Dual Folding Stabilizer with Adapter
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    HK MP5K Dual Folding Stabilizer with Adapter

    HKP HK Parts / Strike Industries

    $289.95 - $299.95
    Strike Industries Dual Folding Stabilizer with HKP MP5K Adapter The Strike Industries Dual Folding Stabilizer paired with the HKP MP5K picatinny adapter is one of the best options on the market for those looking for a light, compact folding stock...
    HKP-21386-M
    $289.95 - $299.95
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    $289.95 - $299.95
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  • Out Of Stock
    New - B&T HK MP5K/SP5K/SP89 Barrel - Threaded 1/2x28 - 3-Lug - HKP-17894 HK MP5K, SP89, SP5K Barrel - 5.85" - Threaded 1/2x28 with 3 Lug

    HK MP5K, SP89, SP5K Barrel - 5.85" - Threaded 1/2x28 with 3 Lug

    B&T Brugger & Thomet

    $350.00
    B&T HK MP5K/SP5K/SP89 Barrel - Threaded 1/2x28 - 3-Lug New from B&T Switzerland, cold hammer-forged (CHF), properly fluted & nitrided MP5K/SP5K barrels manufactured exclusively for the HK SP5K. New Swiss manufactured from hand-picked Swiss...
    HKP-17894
    $350.00
    Out Of Stock
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    $350.00
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  • New - UTG Vertical Grip With LED Light & Quick Detach Mount - HKP-13184 Picatinny Vertical Foregrip - LED Light - Quick Detach
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    Picatinny Vertical Foregrip - LED Light - Quick Detach

    UTG

    $105.95
    UTG Vertical Grip With LED Light & Quick Detach Mount Features: UTG combat aluminum foregrip with integral LED flashlight Cree Q5 LED diodes Integrated reflector and light bulb to provide instant spot focus for clear object...
    HKP-13184
    $105.95
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    $105.95
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  • New - HKP SEF Short Axle Selector Lever For Metal Trigger Housings Only - HKP-17910 HK SEF Short Axle Selector Lever For Metal Trigger Housings Only
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    HK SEF Short Axle Selector Lever For Metal Trigger Housings Only

    HKP HK Parts

    $19.95
    HKP SEF Short Axle Selector Lever For Metal Trigger Housings Only HK German steel SEF selector lever.  Please note that the polymer (plastic) style SEF housing uses the longer axle SEF selector lever not this product offering. Brand new factory...
    HKP-17910
    $19.95
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    $19.95
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  • New - H&K UMP (.40 S&W/.45 ACP/9mm) Paddle Mag Release - HKP-00810
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    HK UMP Paddle Magazine Release

    H&K Heckler & Koch

    $16.95
    UMP Paddle Magazine Release This is a common repair and replacement part as they are easy to break on the UMP lower. Simple and easy to install with no gunsmith needed or required. Compatible With:  UMP .45 UMP .40 UMP 9mm Please Note: This...
    HKP-00810
    $16.95
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    $16.95
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  • New - RCM HK 53 Locking Piece #15 - 65 Degree - HKP-02524 HK53 Locking Piece #15 - 65 Degree
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    HK53 Locking Piece #15 - 65 Degree

    RCM

    $49.95
    RCM HK 53 Locking Piece #15 - 65 Degree The #15 LP is the correct locking piece for the HK53 and several other custom-build applications. The locking piece is the timing mechanism that a delayed roller lock firearm uses to tell...
    HKP-02524
    $49.95
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    $49.95
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