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
  • Out Of Stock
    New - H&K 23E (5.56/.223) Factory Extractor Spring - HKP-00819

    HK23E Extractor Spring

    H&K Heckler & Koch

    $0.00
    HK23E Factory German Extractor Spring Rare and hard to find. This is a new HK German part.
    HKP-00819
    $0.00
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $0.00
    Subtotal:
  • Out Of Stock
    New - H&K 21E/23E (7.62x51/.308) & (5.56/.223) Extractor Cylindrical Pin - HKP-00863

    HK21E, HK23E Extractor Cylindrical Pin

    H&K Heckler & Koch

    $0.00
    HK 21E, HK 23E Extractor Cylindrical Pin This part holds the extractor in place on the bolt head. A great spare to have on hand.
    HKP-00863
    $0.00
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $0.00
    Subtotal:
  • Out Of Stock
    New - H&K 21/21E/23E/PSG1/MSG90 German Firing Pin Spring - HKP-00816

    HK21, HK23E, PSG1, MSG90 Firing Pin Spring

    H&K Heckler & Koch

    $0.00
    HK German HK21E, HK23E Firing Pin Spring A must-have spare and replacement part. No longer in production. Compatible With: HK21E HK23E HK11E HK13 E HK21 HK MSG90 HK PSG1
    HKP-00816
    $0.00
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $0.00
    Subtotal:
  • Out Of Stock
    New - H&K 21 (7.62x51/.308) Firing Pin - HKP-00546 HK21 Firing Pin

    HK21 Firing Pin

    H&K Heckler & Koch

    $0.00
    HK German 21 Firing Pin - Old Stock Compatible With: HK21
    HKP-00546
    $0.00
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $0.00
    Subtotal:
  • New - H&K 21E (7.62x51/.308) Feed Mechanism Roller Axle - HKP-02062 HK21E Feed Mechanism Roller Axle
    Add to Cart

    HK21E Feed Mechanism Roller Axle

    H&K Heckler & Koch

    $64.95
    HK 21E & 23E Series Feed Mechanism Roller Axle  
    HKP-02062
    $64.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • Out Of Stock
    New - H&K PSG1/MSG90 (7.62x51/.308) Complete Factory Locking Roller Set - (12 rollers) - HKP-00822

    HK PSG1, MSG90 Locking Rollers - Set of 12 - Factory Complete

    H&K Heckler & Koch

    $0.00
    HK PSG1 Factory Locking Roller Set Complete   RARE! (Every Size) That HK Made For The MSG90 / HKPSG1/ & HK23E AS Follows - 6, - 4, - 2, Standard 8mm, +2, +4 (Pair Of Each Size) PSG1 / 23E Half Moon Roller Set Complete (Total Of 12 Rollers) More...
    HKP-00822
    $0.00
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $0.00
    Subtotal:
  • New - H&K MSG90 (7.62x51/.308) Rollers 8.00mm Set - Titanium - HKP-00227
    Add to Cart

    HK MSG90 Locking Roller - 8.00mm - Titanium

    H&K Heckler & Koch

    $284.95
    HK German MSG-90 Titanium 8.00mm Set (one of two rollers) Half Moon Rollers Half moon rollers.  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 to order -...
    HKP-00227
    $284.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $284.95
    Subtotal:
  • New - H&K MSG90 (7.62x51/.308) -2 Rollers 7.98mm Set -Titanium - HKP-01063
    Add to Cart

    HK MSG90 Locking Roller -2 - 7.98mm - Titanium

    H&K Heckler & Koch

    $284.95
    HK German MSG-90 Titanium -2 or 7.98mm Half moon rollers.  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 to order - plus-size rollers increase the bolt gap...
    HKP-01063
    $284.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $284.95
    Subtotal:
  • New - H&K MSG90 (7.62x51/.308) +4 Rollers 8.04mm Set -Titanium - HKP-02454
    Add to Cart

    HK MSG90 Locking Roller +4 - 8.04mm - Titanium

    H&K Heckler & Koch

    $329.95
    MSG90 (7.62x51/.308) +4 Rollers 8.04mm Set -Titanium Half moon rollers.  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 to order - plus-size rollers...
    HKP-02454
    $329.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $329.95
    Subtotal:
  • New - H&K MSG90 (7.62x51/.308) +2 Rollers 8.02mm Set -Titanium - HKP-02453
    Add to Cart

    HK MSG90 Locking Roller +2 - 8.02mm - Titanium

    H&K Heckler & Koch

    $284.95
    MSG90 (7.62x51/.308) +2 Rollers 8.02mm Set -Titanium Half moon rollers. 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 to order - plus-size rollers increase the...
    HKP-02453
    $284.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $284.95
    Subtotal:
  • Out Of Stock
    New - H&K 91/G3 (7.62x51/.308) 7.92mm Roller - (-8) - HKP-00346 HK91, G3 7.92mm Roller - (-8)

    HK91, G3 7.92mm Roller - (-8)

    H&K Heckler & Koch

    $0.00
    HK German Factory -8 Roller 7.92mm in size New HK German negative 8 (7.92mm) that is used for proper head spacing. Hard to find a factory HK roller in this size. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt...
    HKP-00346
    $0.00
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $0.00
    Subtotal:
  • Out Of Stock
    New - H&K Roller Sear For Burst Trigger Packs - HKP-01711

    HK Roller Sear For Burst Trigger Packs

    H&K Heckler & Koch

    $0.00
    H&K Roller Sear For Burst Trigger Packs New HK German Roller Sear for SEF & Navy trigger packs. This is the newer style "roller" type not the older friction type of sear. This item is also referred to as the catch with roller but more commonly...
    HKP-01711
    $0.00
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $0.00
    Subtotal:
  • Total: items /

Adding your products to cart