HK Rifle / SMG Parts

HK Rifle / SMG Parts

Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!

Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • HK MP5, AP5 Full Auto Sear Spring Spacer HK MP5, AP5 Full Auto Sear Spring Spacer
    Add to Cart

    HK MP5, AP5 Full Auto Sear Spring Spacer

    MKE

    $1.95
    MKE Distance Sleeve for HK MP5 and AP5 Features: Precision-machined roller used in traditional roller-delayed trigger packs. Ensures perfect trigger geometry, smooth operation, and long-lasting reliability. Compatible With: HK MP5  Century...
    HKP-22477
    $1.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1.95
    Subtotal:
  • HK MR762 A4 Barrel - 16.5" - Proofed HK MR762 A4 Barrel - 16.5" - Proofed
    Add to Cart

    HK MR762 A4 Barrel - 16.5" - Proofed

    H&K Heckler & Koch

    $459.95
    HK MR762 A4 Barrel - 16.5" - Proofed Factory proofed HK MR762 A4 16.5" barrel with standard 5/8x24 RH thread pitch. Compatible With: HK MR762 A4
    HKP-22453
    $459.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $459.95
    Subtotal:
  • HK MR762 A4 Upper Receiver Kit - 16" HK MR762 A4 Upper Receiver Kit - 16"
    Add to Cart

    HK MR762 A4 Upper Receiver Kit - 16"

    H&K Heckler & Koch

    $2,449.95
    HK UPPER RECEIVER KIT MR762 A4 - 16" The MR762 A4 upper kit contains a complete upper receiver and barrel assembly. The closed system design significantly reduces malfunctions typically associated with direct-impingement gas systems, as hot carbon...
    HKP-22424
    $2,449.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,449.95
    Subtotal:
  • On Sale
    HK MP5K 40/10 Brace/Stock Adapter - BLEMISHED HKP HK Parts HKP-21869-B HK MP5K 40/10 Brace/Stock Adapter - BLEMISHED HKP HK Parts HKP-21869-B
    Add to Cart

    HK MP5K 40/10 Stock or Brace Adapter - BLEMISHED

    HKP HK Parts

    Now: $84.09
    Was: $113.95
    HK MP5K 40/10 Brace/Stock Adapter - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Easily attach your favorite A2 style stock to your MP5K 40/10 with...
    HKP-21869-B
    Now: $84.09
    Was: $113.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $84.09
    Was: $113.95
    Subtotal:
  • HK MR556, MR223 Upper Receiver - BLEMISHED HK MR556, MR223 Upper Receiver - BLEMISHED
    Add to Cart

    HK MR556, MR223 Upper Receiver - BLEMISHED

    H&K Heckler & Koch

    $695.95
    HK MR556, MR223 Upper Receiver - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED MISSING FORWARD ASSIST AND GAS PISTON COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE...
    HKP-16950-BL-B
    $695.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $695.95
    Subtotal:
  • HK417, MR762 Handguard - 15" - Tropentarn HK417, MR762 Handguard - 15" - Tropentarn
    Add to Cart

    HK417, MR762 Handguard - 15" - Tropentarn

    H&K Heckler & Koch

    $488.95
    Heckler and Koch HK MR762 A4 Complete Handguard - Tropentarn - 15" Factory HK handguard with a 12 o’clock Picatinny rail and M-LOK slots at 3, 6, and 9 o’clock for mounting optics and accessories. Includes dual QD sling sockets for...
    HKP-99326
    $488.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $488.95
    Subtotal:
  • Picatinny Optic Mount Shield - Aimpoint T1, H1 - S.W.O.R.D.S Picatinny Optic Mount Shield - Aimpoint T1, H1 - S.W.O.R.D.S
    Choose Options

    Picatinny Optic Mount Shield - Aimpoint T1, H1 - S.W.O.R.D.S

    Frost Defense

    $239.95
    Aimpoint T-1, H-1 Optic Mount - S.W.O.R.D.S - Picatinny Mount The S.W.O.R.D.S Enhanced optic shield designed for Aimpoint T1, H1 red dot sights. This patent-pending mount system provides robust glare and impact protection by surrounding the ocular and...
    HKP-22340-M
    $239.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    $239.95
    Subtotal:
  • On Sale
    AIM HK 91 Carbine Length Handguard - Keymod - BLEMISHED AIM HKP-18178-B AIM HK 91 Carbine Length Handguard - Keymod - BLEMISHED AIM HKP-18178-B
    Add to Cart

    HK91 Handguard - Carbine Length - Keymod - BLEMISHED

    AIM

    Now: $48.95
    Was: $69.95
    AIM HK 91 Carbine Length Handguard - Keymod - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This sleek streamlined...
    HKP-18178-B
    Now: $48.95
    Was: $69.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $48.95
    Was: $69.95
    Subtotal:
  • Strike Industries HK 416/MR556 Cloak Flash Hider Strike Industries HKP-22260 Strike Industries HK 416/MR556 Cloak Flash Hider Strike Industries HKP-22260
    Add to Cart

    HK416, MR556 Flash Hider - Cloak - Threaded 1/2x28

    Strike Industries

    $44.95
    Strike Industries HK416/MR556 Cloak Flash Hider - 1/2x28 Strike Industries Cloak flash hider offers a compact, efficient design that disperses gas flow to minimize visible flash, especially in low light. It reduces muzzle flash to preserve night vision,...
    HKP-22260
    $44.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $44.95
    Subtotal:
  • On Sale
    New - MKE AP5 Incomplete Flash Hider - HKP-22223 MKE AP5 Incomplete Flash Hider MKE HKP-22223
    Add to Cart

    Century Arms AP5 Flash Hider - Incomplete

    MKE

    Now: $37.46
    Was: $79.95
    MKE AP5 Incomplete Flash Hider The MKE AP5 and MKE AP5-P OEM flash hider is an essential spare for anyone needing to replace a broken or damaged flash hider body. With a straightforward process, you can easily remove the locking latch, spring, and pins...
    HKP-22223
    Now: $37.46
    Was: $79.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $37.46
    Was: $79.95
    Subtotal:
  • On Sale
    New - HKP HK UMP (.40 S&W) 30 Round Magazine Housing ONLY - BLEMISHED - HKP-17583-BL-B
    Add to Cart

    HK UMP Housing - .40 S&W - 30 Round - Magazine Housing ONLY - BLEMISHED

    HKP HK Parts

    Now: $29.95
    Was: $49.95
    HKP HK Parts HK UMP (.40 S&W) 30 Round Magazine Housing ONLY - BLEMISHED Priced for ONE Magazine Housing ONLY - Condition Varies by Unit - Each unit Sold INDIVIDUALLY ONLY 2 UNITS AVAILABLE - AS PICTURED MAGAZINE BODY ONLY COSMETICALLY BLEMISHED...
    HKP-17583-BL-B
    Now: $29.95
    Was: $49.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $29.95
    Was: $49.95
    Subtotal:
  • On Sale
    FN P90 Side Rail - Set of 2 New - FN P90 Side Rail - Set of 2 - HKP-99287
    Add to Cart

    FN P90 Side Rail - Set of 2

    FN

    Now: $129.95
    Was: $199.95
    FN P90 Side Rail - Set of 2 ONLY 2 UNITS LEFT - SOLD IN A PACK OF TWO RAILS DOES NOT INCLUDE ALLEN WRENCH Set of 2 side rails for the P90. Compatible With: FN P90 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE.  SALE IS FINAL.
    HKP-99287
    Now: $129.95
    Was: $199.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $129.95
    Was: $199.95
    Subtotal:
  • Total: items /

Adding your products to cart