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 - H&K UMP (.40 S&W/.45 ACP/9mm) Release Lever Spring - HKP-01891
    Add to Cart

    HK UMP Release Lever Spring

    H&K Heckler & Koch

    $9.95
    HK UMP Release Lever Spring For All UMP Lowers  
    $9.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • HK416 A5, MR556 A4 Gas Vent Screws - 1.0-2.5mm
    Choose Options

    HK416 A5, MR556 A4 Gas Vent Screws - 1.0-2.5mm

    H&K Heckler & Koch

    $29.95 - $34.95
    H&K MR556 A4 and HK416 A5 Gas Vent Screws German gas vent screw for MR556 A4 gas block. Specifications: Factory reference: 1.3mm is the common factory vent screw size for MR556 A4 Sizing reminder: Larger mm equals more venting, Smaller mm equals...
    $29.95 - $34.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95 - $34.95
    Subtotal:
  • On Sale
    New - MKE Trigger Pack Ejector Lever Axle - HKP-22241 MKE Trigger Pack Ejector Lever Axle MKE HKP-22241
    Add to Cart

    HK90 Series Ejector Lever Axle for SEF, Navy, and Burst Trigger Packs

    MKE

    Now: $13.46
    Was: $17.95
    MKE Trigger Pack Ejector Lever Axle Fits all SEF & Ambidextrous style HK trigger packs regardless of caliber. MKE product made on HK tooling.  Fits all of the following 90 series trigger packs: SEF, O,1 Navy Burst
    Now: $13.46
    Was: $17.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $13.46
    Was: $17.95
    Subtotal:
  • New - H&K VP9, VP9SK, VP40 Slide Plate - Black - HKP-16834 HK VP9, VP9SK, VP40 Slide Plate
    Add to Cart

    HK VP9, VP9SK, VP40 Slide Plate

    H&K Heckler & Koch

    $13.95
    H&K VP9, VP9SK, VP40 Slide Plate New German HK manufacture. Slide plate for the rear of the pistol. Made of polymer. Compatible With: HK VP9, VP9 Tactical, VP9 OR HK VP9SK HK VP9A1 F, VP9A1 K HK VP40
    $13.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $13.95
    Subtotal:
  • New - H&K HK MR556/416 Charging Handle Release Latch - HKP-16553 HK416, MR556 Charging Handle Release Latch
    Add to Cart

    HK416, MR556 Charging Handle Release Latch

    H&K Heckler & Koch

    $39.95
    H&K HK MR556/416 Charging Handle Release Latch Perfect replacement item for the MR556 & HK 416 charging handle. New HK German manufacture. These can become chewed up and damaged with a hard drop or with heavy use. This is a great item to keep on...
    $39.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • New - H&K G36/SL8 (5.56/.223) Cocking Handle - HKP-01853
    Add to Cart

    HK G36, SL8 Cocking Handle

    H&K Heckler & Koch

    $55.95
    HK Cocking Handle For G36 & SL8 Bolt Carriers  
    $55.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $55.95
    Subtotal:
  • New - H&K UMP (.40 S&W/.45 ACP/9mm) Firing Pin Retainer Pin - HKP-01894
    Add to Cart

    HK UMP Firing Pin Retainer Pin - .40 S&W / .45 ACP / 9mm

    H&K Heckler & Koch

    $7.95
    HK UMP Firing Pin - Retainter Pin   This is the pin that trips the trip lever on the UMP lower.   Compatible With: HK UMP  
    $7.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7.95
    Subtotal:
  • New - H&K MR556 A4/416 Rear Takedown Pin - HKP-22029 HK416, HK417, MR556, MR762 Takedown Pin - Rear - A4 Style
    Add to Cart

    HK416, HK417, MR556, MR762 Takedown Pin - Rear - A4 Style

    H&K Heckler & Koch

    $43.95
    H&K MR556, HK416, HK417, MR762 Rear Takedown Pin Factory A4 rear takedown pin.  Will work for A1 and A4 applications.   Compatible With: HK MR556 A1 and A4 HK416 HK MR762 A1 and A4 HK417 AR-14, M4, M16    
    $43.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $43.95
    Subtotal:
  • New - H&K HK P7 PSP/P7M8 Magazine Locking Plate - HKP-01313 HK P7 PSP, P7M8 Magazine Locking Plate
    Add to Cart

    HK P7 PSP, P7M8 Magazine Locking Plate

    H&K Heckler & Koch

    $12.95
    HK P7 PSP/P7M8 Magazine Locking Plate Compatible With: PSPP7M8
    $12.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $12.95
    Subtotal:
  • HK45C, USPC Firing Pin HK45C, USPC Firing Pin
    Add to Cart

    HK45C, USPC Firing Pin

    H&K Heckler & Koch

    $57.95
    H&K HK USPC/45C Firing Pin   A great spare part to have on hand for wear and breakage parts. A factory German HK OEM part. Compatible With: HK45 Compact HK45C Tactical HK USP Compact 45 HK USPC Tactical 45
    $57.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $57.95
    Subtotal:
  • New - H&K HK USP Lanyard Loop Insert Pin - HKP-01930
    Add to Cart

    HK USP Lanyard Loop Insert Pin

    H&K Heckler & Koch

    $19.95
    HK USP Lanyard Loop Insert Pin   Compatible With: HK USP 9mm HK USP 40 HK USP 45  
    $19.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • New - HKP HK MP5 (.40 S&W) Locking Roller +2 - HKP-17564
    Add to Cart

    HKP HK MP5 (.40 S&W) Locking Roller +2

    HKP HK Parts

    $11.95
    HK US MP5 .40 S&W Locking Roller, +2 The proper roller size is essential for proper headspacing of bolt gap. +2 / 8.02mm 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...
    $11.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $11.95
    Subtotal:
  • Total: items /

Adding your products to cart