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 Mark 23 Safety Detent - HKP-01782
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    HK Mark 23 Safety Detent

    H&K Heckler & Koch

    $10.95
    HK Mark 23 Safety Detent  
    HKP-01782
    $10.95
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    Qty in Cart: 0
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    $10.95
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  • New - H&K HK P30/P30S Recoil Spring Guide Rod - HKP-02247 HK P30, P30S Recoil Spring Guide Rod
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    HK P30, P30S Recoil Spring Guide Rod

    H&K Heckler & Koch

    $49.95
    HK P30 & P30S Recoil Spring Guide Rod This is the guide rod portion of the recoil spring assembly. The rod is the only part included with no spring or rings.
    HKP-02247
    $49.95
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    Qty in Cart: 0
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    $49.95
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  • Out Of Stock
    New - HKP HK USPC/45C Titanium Firing Pin - HKP-17801

    HK45C, USPC Firing Pin - Titanium

    HKP HK Parts

    $49.95
    HKP HK USPC/45C Titanium Firing Pin A solid billet CNC offering at 40+% lighter than comparable steel firing pins. Our titanium firing pins travel faster in the slide, delivering a quicker lock time & enhancing accuracy. Titanium pins also carry less...
    HKP-17801
    $49.95
    Out Of Stock
    Qty in Cart: 0
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    $49.95
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  • Out Of Stock
    New - H&K HK USP V5/6/7 Complete Bobbed Hammer - HKP-01934

    HK USP V5, V6, V7 Complete Bobbed Hammer

    H&K Heckler & Koch

    $0.00
    HK USP V5/6/7 Complete Bobbed Hammer   Compatible With: HK USP 9mm HK USP 40
    HKP-01934
    $0.00
    Out Of Stock
    Qty in Cart: 0
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    $0.00
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  • New - H&K HK USPC Original Style Firing Pin - HKP-01286
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    HK USP Compact Firing Pin - Original Style

    H&K Heckler & Koch

    $59.95
    HK USP Compact Firing Pin - Original Style Compatible With: HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact LEM
    HKP-01286
    $59.95
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    Qty in Cart: 0
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    $59.95
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  • Out Of Stock
    New - H&K HK USP Series Old Style Catch - HKP-01176

    HK USP Series Old Style Catch

    H&K Heckler & Koch

    $29.95
    H&K HK USP Series Old Style Catch Compatible With: HK USP 9mm HK USP 40 HK USP 45 HK USP Compact 9mm HK USP Compact 40 HK USP Compact 357 HK USP Compact 45 HK USP Compact LEM
    HKP-01176
    $29.95
    Out Of Stock
    Qty in Cart: 0
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    $29.95
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  • New - H&K HK416/MR556 Locking Plate - Magazine - HKP-13484 HK416, MR556 Magazine Locking Plate
    Add to Cart

    HK416, MR556 Magazine Locking Plate

    H&K Heckler & Koch

    $9.95
    HK German HK MR556 & HK 416 Magazine Locking Plate  
    HKP-13484
    $9.95
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    Qty in Cart: 0
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    $9.95
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  • Out Of Stock
    New - H&K USC (.45 ACP) Magazine Locking Plate Insert - HKP-16384 HK USC Magazine Locking Plate Insert - .45 ACP

    HK USC Magazine Locking Plate Insert - .45 ACP

    H&K Heckler & Koch

    $8.95
    H&K USC (.45 ACP) Magazine Locking Plate Insert
    HKP-16384
    $8.95
    Out Of Stock
    Qty in Cart: 0
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    $8.95
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  • Out Of Stock
    Used - HK Locking Roller -4 , 7.96mm - HKP-17558 HK Locking Roller -4 , 7.96mm

    HK Locking Roller -4 , 7.96mm

    HKP HK Parts

    $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...
    HKP-17558
    $8.95
    Out Of Stock
    Qty in Cart: 0
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    $8.95
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  • On Sale
    HK21 Barrel Handle with Insert -7.62x51, .308, 5.56, .223 - USED HK21 Barrel Handle with Insert -7.62x51, .308, 5.56, .223 - USED
    Add to Cart

    HK21 Barrel Handle with Insert -7.62x51, .308, 5.56, .223 - USED

    H&K Heckler & Koch

    Now: $68.95
    Was: $99.95
    HK21 Barrel Handle with Insert -7.62x51, .308, 5.56, .223 - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Factory German upgrade for HK21 barrel handles Compatible With: HK21 THIS CLOSEOUT PART IS...
    HKP-99431
    Now: $68.95
    Was: $99.95
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    Qty in Cart: 0
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    Now: $68.95
    Was: $99.95
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  • Out Of Stock
    On Sale
    New - H&K 416 Front Takedown Pin - HKP-21862 HK416, MR556 Takedown Pin - Front - A4 Style - BLEMISHED

    HK416, MR556 Takedown Pin - Front - A4 Style - BLEMISHED

    H&K Heckler & Koch

    Now: $15.95
    Was: $26.95
    HK416, MR556 Takedown Pin - Front - A4 Style - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The HK416 front takedown pin is a German-made component...
    HKP-21862-B
    Now: $15.95
    Was: $26.95
    Out Of Stock
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    Now: $15.95
    Was: $26.95
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  • On Sale
    HK VP9, VP40 Enhanced Magazine Release - Red- BLEMISHED
    Add to Cart

    HK VP9, VP40 Enhanced Magazine Release - Red- BLEMISHED

    HKP HK Parts

    Now: $36.95
    Was: $49.95
    HK VP9, VP40 Enhanced Magazine Release - Red- BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The oversized magazine release increases the overall...
    HKP-21099-RE-B
    Now: $36.95
    Was: $49.95
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    Qty in Cart: 0
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    Now: $36.95
    Was: $49.95
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