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
  • Used - H&K 91/G3 (7.62x51/.308) Slimline Forearm - Jungle Green - New Old Stock - HKP-22102 HK91, G3 Slimline Handguard - Jungle Green - New Old Stock
    Add to Cart

    HK91, G3 Slimline Handguard - Jungle Green - New Old Stock

    H&K Heckler & Koch

    $39.95
    H&K 91/G3 (7.62x51/.308) Slimline Forearm - Jungle Green - New Old Stock These are a nice addition to the collection. Compatible With: All full forearm length HK 91, G3, PTR style firearms
    HKP-22102
    $39.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • Out Of Stock
    New - H&K MR556/416 E2 Charging Handle - HKP-22021 HK416, MR556 Charging Handle - E2

    HK416, MR556 Charging Handle - E2

    H&K Heckler & Koch

    $139.95
    Heckler and Koch E2 Charging Handle for HK416, MR556 Factory HK charging handles for the MR556, HK416 platform. The standard MR556 charging handle allows the release latch to be configured on either the right or left side for user preference. The HK E2...
    HKP-22021
    $139.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • On Sale
    Used - HK MP5 Length Project SF Trigger Housing - USED SURPLUS - Gunsmith Special - HKP-99103 HK MP5 Length Project SF Trigger Housing - USED SURPLUS - Gunsmith Special || HKP-99103 || HKPARTS
    Add to Cart

    HK MP5 Length Project SF Trigger Housing - USED SURPLUS - Gunsmith Special

    USA

    Now: $19.95
    Was: $59.95
    HK MP5 Length Project SF Trigger Housing - USED SURPLUS - Gunsmith Special MP5 length trigger housing perfect for projects or custom builds, each marked with the SE pictogram. The condition will vary from part-to-part vs. the pictured unit. Please Note:...
    HKP-99103
    Now: $19.95
    Was: $59.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $19.95
    Was: $59.95
    Subtotal:
  • On Sale
    New - HK MP5SD Cocking Tube - Gunsmith Special - HKP-99059 HK MP5SD Cocking Tube - Gunsmith Special
    Add to Cart

    HK MP5SD Cocking Tube - Gunsmith Special

    USA

    Now: $29.95
    Was: $74.95
    HK MP5SD Cocking Tube - Gunsmith Special  The MP5SD cocking tube is a crucial part of the firearm's operating system, designed to house the cocking handle assembly. This unit has been de-milled to allow clearance for the integrated suppressor...
    HKP-99059
    Now: $29.95
    Was: $74.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $29.95
    Was: $74.95
    Subtotal:
  • New - HKP HK MP5K Optic Scope Rail - HKP-21852 HK MP5K Optic Mount
    Add to Cart

    HK MP5K Optic Mount

    HKP HK Parts

    $97.95
    HKP HK MP5K Optic Scope Rail The HKP optic scope rail is designed to be welded to the top of the receiver to provide a secure Picatinny optic mount for your MP5K.  Includes sight mount to retain the factory rear diopter sight. Compatible With: HK...
    HKP-21852
    $97.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $97.95
    Subtotal:
  • On Sale
    New - HKP HK MR556/416 Extractor - BLEMISHED - HKP-21826-B HK416, MR556 Extractor - BLEMISHED
    Add to Cart

    HK416, MR556 Extractor - BLEMISHED

    HKP HK Parts

    Now: $24.95
    Was: $39.95
    HKP HK MR556/416 Extractor - 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 HKP HK MR556/416 extractor is a precision-engineered component designed...
    HKP-21826-B
    Now: $24.95
    Was: $39.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $24.95
    Was: $39.95
    Subtotal:
  • Out Of Stock
    New - B&T 39mm Picatinny QD Skeleton Mount for Aimpoint T-Series - HKP-21771 Picatinny Optic Mount - 39mm - Skeleton - Aimpoint T-Series

    Picatinny Optic Mount - 39mm - Skeleton - Aimpoint T-Series

    B&T Brugger & Thomet

    $150.00
    B&T 39mm Picatinny QD Skeleton Mount for Aimpoint T-Series The B&T QD skeleton mount for Aimpoint T-Series offers a 39mm elevated profile for improved sight alignment, ideal for night vision setups requiring clearance over forward-mounted IR...
    HKP-21771
    $150.00
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $150.00
    Subtotal:
  • Out Of Stock
    New - B&T HK MP5/SP5 Tail Hook Adapter - HKP-21763 HK MP5, SP5 Adapter - Tail Hook

    HK MP5, SP5 Adapter - Tail Hook

    B&T Brugger & Thomet

    $135.00
    B&T Tail Hook Adapter MP5/SP5 (Including K)   Compatible With: HK MP5/MP5K HK SP5/SP5K  
    HKP-21763
    $135.00
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $135.00
    Subtotal:
  • New - H&K MP5K 9mm Complete Bolt Group - Suppressed - HKP-21613 New - H&K MP5K 9mm Complete Bolt Group - Suppressed - HKP-21613
    Add to Cart

    HK MP5K Bolt Group - Complete - 9mm - Suppressed

    H&K Heckler & Koch

    $2,259.95
    Heckler and Koch MP5K 9mm Complete Bolt Group - Suppressed Complete factory German MP5K full-auto bolt group assembly configured with an 80-degree #28 German locking piece for suppressed use. This drop-in bolt carrier group is built with original German...
    HKP-21613
    $2,259.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,259.95
    Subtotal:
  • Out Of Stock
    New - B&T HK 417/G36K Flash Hider - HKP-21520 HK416, G3, G36 Flash Hider - 15x1 RH - Rotex Interface - B&T

    HK416, G3, G36 Flash Hider - 15x1 RH - Rotex Interface - B&T

    B&T Brugger & Thomet

    $144.99
    B&T Flash Hider with Interface for Rotex III/V/VA Swiss-made flash hider compatible with NATO A2 suppressor mounting HUB's. Specifications: Made in Switzerland Threaded M15x1 RH NATO spec Does not include face shims Compatible With: HK416,...
    HKP-21520
    $144.99
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $144.99
    Subtotal:
  • On Sale
    HK MP5, MP5K Optic Mount, Aimpoint ACRO - BLEMISHED
    Add to Cart

    HK MP5, MP5K Optic Mount, Aimpoint ACRO - BLEMISHED

    HKP HK Parts

    Now: $71.95
    Was: $98.95
    HKP HK MP5/K Aimpoint ACRO P1 & P2 Sight - BLEMISHED INSTALLATION MARKINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK Parts now brings you one of the...
    HKP-21229-B
    Now: $71.95
    Was: $98.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $71.95
    Was: $98.95
    Subtotal:
  • New - Trijicon Bright & Tough - Night Sights - H&K SP89, Carbines, Rifles - HKP - HKP-20325 HK MP5, MP5K, G3 Night Sights
    Add to Cart

    HK MP5, MP5K, G3 Night Sights

    XS Sights

    $159.95
    Trijicon Bright & Tough - Night Sights - H&K SP89, Carbines, Rifles Trijicon bright & tough night sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights. Housed in a metal...
    HKP-20325
    $159.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • Total: items /

Adding your products to cart