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.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • New - HKP HK MR556/416 Extractor Spring Buffer - HKP-21604 HK416, MR556 Extractor Spring Buffer
    Add to Cart

    HK416, MR556 Extractor Spring Buffer

    HKP HK Parts

    $5.39
    HKP HK MR556/416 Extractor Spring Buffer This buffer fits inside the extractor spring in the extractor pocked of the bolt. This item is a high wear item and a spare would be highly advised. Compatible With: HK MR556 & HK416 Firearms
    $5.39
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5.39
    Subtotal:
  • New - HKP HK MP5 40 Locking Roller +4 - HKP-17562
    Add to Cart

    HKP HK MP5 40 Locking Roller +4

    HKP HK Parts

    $11.95
    HK US MP540 Undersized Locking Roller, +4 The proper roller size is essential for proper headspacing of bolt gap. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need...
    $11.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $11.95
    Subtotal:
  • New - H&K HK 45C LEM Complete Conversion Kit - HKP-01037
    Add to Cart

    HK45C LEM Conversion Kit - Complete

    H&K Heckler & Koch

    $199.95
    New HK German HK 45 Compact LEM Conversion Kit Complete For All HK 45 Compact Pistols Use factory installed trigger return spring for the light LEM (4.5-5.5lb) and the supplied heavy trigger return spring for the heavy LEM conversion. This LEM conversion...
    $199.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $199.95
    Subtotal:
  • New - H&K HK P30L Recoil Rod Bushing Sleeve - HKP-02435 HK P30L Recoil Rod Bushing Sleeve
    Add to Cart

    HK P30L Recoil Rod Bushing Sleeve

    H&K Heckler & Koch

    $39.95
    HK P30L Recoil Rod Bushing Sleeve Compatible With: HK P30L 9mm HK P30L .40
    $39.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • New - H&K HK P30/P30S 9mm Complete Recoil Assembly - HKP-01497
    Add to Cart

    HK P30, P30S 9mm Complete Recoil Assembly

    H&K Heckler & Koch

    $89.95
    HK P30 & P30S 9mm Recoil Rod Assembly - Complete A genuine German Heckler & Koch part. Fresh springs help the pistol function as it was designed. Compatible With: P30 P30S    
    $89.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $89.95
    Subtotal:
  • New - HK G36/MP7 (4.6x30/5.56/.223) Firing Pin Bolt O-Ring - HKP-18373 HK G36, MP7 Bolt O-Ring - Firing Pin - US
    Add to Cart

    HK G36, MP7 Bolt O-Ring - Firing Pin - US

    USA

    $5.95
    HK G36 & MP7 Firing Pin Bolt O-ring. This is also the O-ring for the retaining pin for the MP7- US. Compatible With: HK G36 HK MP7
    $5.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5.95
    Subtotal:
  • Out Of Stock
    New - H&K 21E/23E (7.62x51/.308) & (5.56/.223) E Clip For Carry Handle - HKP-00579

    HK21E, HK23E E Clip For Carry Handle - 7.62x51 / .308 - 5.56 / .223

    H&K Heckler & Koch

    $9.95
    HK German "E" Clip For Carry Handle For HK21 & HK23E folding carry handles. Clips are sold individually.
    $9.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • New - H&K Burst Roller Type Trip Lever - Latest Style - HKP-01846 HK Burst Roller Type Trip Lever - Latest Style
    Add to Cart

    HK Burst Roller Type Trip Lever - Latest Style

    H&K Heckler & Koch

    $99.95
    H&K Burst Roller Type Trip Lever - Latest Style Compatible With: 0,1,3,F 0,1,2,F 0,1,3 0,1,2
    $99.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • HK MP5 Barrel Retaining Pin - 5.015mm H&K Heckler & Koch HKP-22284 HK MP5 Barrel Retaining Pin - 5.015mm H&K Heckler & Koch HKP-22284
    Add to Cart

    HK MP5 Barrel Retaining Pin - 5.015mm

    H&K Heckler & Koch

    $14.95
    H&K 90 Series Barrel Retaining Pin - 5.015mm Each barrel pin is used for installing a new or replacement barrel. HK suggests using a new factory barrel pin when installing or reinstalling an HK barrel.  Compatible With:  HK MP5, SP5, MP5K,...
    $14.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • New - HK G36, HK SL8 Bolt Catch USF - HKP-19122 HK G36, HK SL8 Bolt Catch USF
    Add to Cart

    HK G36, HK SL8 Bolt Catch USF

    USA

    $14.95
    HK G36 & SL8 Bolt Catch On AR-15 systems this would be similar to a cam pin. Compatible With: G36, G36K, G36C Sl8 variants
    $14.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • New - H&K VP9, VP40 Grip Panel Right Side - Medium - FDE - HKP-18116 HK VP9, VP40 Grip Panel Right Side - Medium - FDE
    Add to Cart

    HK VP9, VP40 Grip Panel Right Side - Medium - FDE

    H&K Heckler & Koch

    $19.95
    H&K VP9, VP40 Grip Panel Right Side - Medium - FDE New HK German manufactured. Right side, medium size. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP9A1 F, VP9A1 K HK VP40
    $19.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • Total: items /

Adding your products to cart