Small Parts

Small Parts

Explore our extensive selection of HK small parts at HKParts, perfect for repairs, upgrades, and custom builds. Our inventory includes high-quality, precision-machined replacement parts and maintenance kits designed for a wide range of HK models. Whether you need push pins, springs, or custom components, our HK-specific small parts ensure optimal performance and durability for your firearm.

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  • New - H&K HK P2000/P30SK Safety Lockout - HKP-02493 HK P2000, P30SK Safety Lockout
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    HK P2000, P30SK Safety Lockout

    H&K Heckler & Koch

    $21.95
    HK P2000 & P30SK Safety Lockout
    HKP-02493
    $21.95
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    Qty in Cart: 0
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    $21.95
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  • HK45, USP Compact Recoil Spring Guide Rod HK45, USP Compact Recoil Spring Guide Rod
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    HK45, USP Compact Recoil Spring Guide Rod

    H&K Heckler & Koch

    $39.95
    HK USPC & HK45 Recoil Spring Guide Rod Compatible With: HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact LEM HK45
    HKP-01411
    $39.95
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    $39.95
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  • Out Of Stock
    New - H&K G36/SL8 Dual/Single Optic Front Sight Screw - Extended - HKP-00801

    HK G36, SL8 Front Sight Screw - Dual and Single Optics - Extended

    H&K Heckler & Koch

    $9.95
    Dual/Single Optic Longer Front Sight Screw - HK German HK German manufacturer. This is a required part if you want to install either the dual or single optic.   Compatible With: HK G36 HK SL8
    HKP-00801
    $9.95
    Out Of Stock
    Qty in Cart: 0
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    $9.95
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  • HK416, HK417, MR556, MR762 Cylindrical Head Screw HK416, HK417, MR556, MR762 Cylindrical Head Screw
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    HK416, HK417, MR556, MR762 Cylindrical Head Screw

    H&K Heckler & Koch

    $19.95
    Heckler and Koch Cylindrical Screw for MR762, HK417, MR556, HK416 Factory replacement cylindrical lens-head Allen screw for maintaining or repairing your HK417 and MR556 rifles with original-spec hardware. Compatible With: HK417, MR762 HK416, MR556
    HKP-22433
    $19.95
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  • On Sale
    HK G3,91,PTR, 93,33 & MP5, 94 Hammer Strut - USED H&K Heckler & Koch HKP-15445-USED HK G3,91,PTR, 93,33 & MP5, 94 Hammer Strut - USED H&K Heckler & Koch HKP-15445-USED
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    HK MP5, HK90 Series Hammer Strut - USED

    H&K Heckler & Koch

    Now: $5.21
    Was: $9.95
    HK MP5, G3, 91, PTR, 93, 33, HK94 Hammer Strut - USED   SOLD INDIVIDUALLY   USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK German Hammer Strut for 90 series rifles and pistols. A perfect...
    HKP-15445-USED
    Now: $5.21
    Was: $9.95
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    Now: $5.21
    Was: $9.95
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  • On Sale
    New - MKE -4 Roller for Bolt Head 7.96mm - Under-sized - HKP-22238 MKE -4 Roller for Bolt Head 7.96mm - Under-sized MKE HKP-22238
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    HK 90 Series Locking Roller for Bolt Head - 7.96mm

    MKE

    Now: $22.95
    Was: $28.95
    MKE -4 Roller for Bolt Head 7.96mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. Made in Turkey by MKE on HK tooling.  Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the...
    HKP-22238
    Now: $22.95
    Was: $28.95
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    Now: $22.95
    Was: $28.95
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  • Out Of Stock
    New - B&T APC9 Selector Position Lock Spring - HKP-21764 B&T APC9 Selector Position Lock Spring

    B&T APC9 Selector Position Lock Spring

    B&T Brugger & Thomet

    $4.95
    B&T APC9 Selector Position Lock Spring Compatible With: APC Series Standard receiver Glock receiver Sig receiver
    HKP-21764
    $4.95
    Out Of Stock
    Qty in Cart: 0
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    $4.95
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  • Out Of Stock
    New - H&K HK SL8-1 Clamping Sleve - HKP-16401

    HK SL8-1 Safety Clamping Sleeve

    H&K Heckler & Koch

    $8.95
    H&K HK SL8-1 Clamping Sleve
    HKP-16401
    $8.95
    Out Of Stock
    Qty in Cart: 0
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    $8.95
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  • New - H&K HK MR762/417 Plate For Charging Handle - HKP-16843 HK417, MR762 Charging Handle Plate
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    HK417, MR762 Charging Handle Plate

    H&K Heckler & Koch

    $19.95
    HK MR762, HK417 Plate For Charging Handle Compatible With: HK MR762 HK417
    HKP-16843
    $19.95
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    Qty in Cart: 0
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    $19.95
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  • New - HK G41 Recoil Rod Spring - HKP-02051
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    HK G41 Recoil Rod Spring

    H&K Heckler & Koch

    $39.95
    HK G41 Recoil Rod Spring
    HKP-02051
    $39.95
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    Qty in Cart: 0
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    $39.95
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  • New - H&K HK 45C Hammer Strut - HKP-02217
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    HK45 Compact Hammer Strut

    H&K Heckler & Koch

    $11.95
    Heckler and Koch HK45 Compact Hammer Strut Replacement hammer strut designed for the HK45 Compact pistol. Intended for maintenance or repair of compatible hammer assemblies to ensure proper operation. Compatible With: HK45 Compact
    HKP-02217
    $11.95
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    Qty in Cart: 0
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    $11.95
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  • New - H&K HK Mark 23 Sear Block - HKP-01779 HK Mark 23 Sear Block
    Add to Cart

    HK Mark 23 Sear Block

    H&K Heckler & Koch

    $19.95
    HK Mark 23 Sear Block
    HKP-01779
    $19.95
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    Qty in Cart: 0
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    $19.95
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