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) Wood Stock w/ Enhanced Buffer Installed - HKP-16697 HK91, G3 Wood Buttstock with Enhanced Buffer Installed
    Add to Cart

    HK91, G3 Wood Buttstock with Enhanced Buffer Installed

    H&K Heckler & Koch

    $229.95
    HK German G3, 91, PTR Wood Stock With- Enhanced DMR Buffer Installed Each stock includes: Metal Backplate With Recoil Spring Installed Modified by our HK gunsmith and an enhanced heavy buffer has been installed Heavy Buffer Assembly Complete Wood Stock...
    HKP-16697
    $229.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $229.95
    Subtotal:
  • New - PTR HK 91/G3 (7.62x51/.308) Complete Fixed Stock - Black - HKP-00896 HK91, G3 Complete Fixed Stock - Black
    Add to Cart

    HK91, G3 Complete Fixed Stock - Black

    PTR

    $229.95
    New HK91, G3, PTR-91 US-Made (PTR-91 Manufactured) Fixed Stock Made from all German & US-made HK parts. This stock will fit any of the HK G3 & HK 91 & PTR rifles. This stock also counts as one US-compliant part for 922r compliance. This stock...
    HKP-00896
    $229.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $229.95
    Subtotal:
  • New - H&K G3 Standard Buffer Locking Plate - HKP-16982
    Add to Cart

    HK G3 Standard Buffer Locking Plate

    H&K Heckler & Koch

    $1.49
    H&K G3 Standard Buffer Locking Plate This is the plate used with the large buffer screw in the standard buffer.
    HKP-16982
    $1.49
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1.49
    Subtotal:
  • New - HKP HK UMP 2 Position Lower Grip Frame - FDE - HKP-19384 HK UMP 2 Position Lower Grip Frame
    Choose Options

    HK UMP 2 Position Lower Grip Frame

    HKP HK Parts

    $184.95
    HKP HK UMP 2 Position Lower Grip Frame Lower grip frame configured for two-position operation. Designed for use with user-supplied internals and suitable for replacement or build use on HK UMP pattern firearms. Commonly used for USC to UMP conversion...
    HKP-19384-M
    $184.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    $184.95
    Subtotal:
  • Out Of Stock
    Like New - H&K 30 Round HK MP5, MP5K LEO Marked 9mm Magazine - Like New- HKP-20517 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - LEO Marked - Like New

    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - LEO Marked - Like New

    H&K Heckler & Koch

    $199.95
    HK German MP5 30 Round Magazine Laser Etched LEO Markings This is a Like New H&K German MP5 9mm 30-round magazine in excellent condition. All MP5 magazines are police department trade-in items featuring laser-etched LEO/Restricted markings. These...
    HKP-20517
    $199.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $199.95
    Subtotal:
  • On Sale
    New - HKP Long Sleeve Tee - Black - HKP-21024-M
    Choose Options

    HKP Shirt - Long Sleeve - Black

    HKP HK Parts

    Now: $13.95
    Was: $19.95
    HKP Long Sleeve Tee - Black Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: Unisex fit Fine cotton High fidelity DTG...
    HKP-21024-M
    Now: $13.95
    Was: $19.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $13.95
    Was: $19.95
    Subtotal:
  • New - H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Steel - HKP-01607 HK91, G3, PTR Magazine - 10 Round - Steel
    Add to Cart

    HK91, G3, PTR Magazine - 10 Round - Steel

    H&K Heckler & Koch

    $73.95
    10 Round Magazine - Steel This part counts as 1 US-made part for 922r compliance for HK rifles. This magazine was made by Heckler and Koch and converted to ten rounds in the United States using the US-made floorplate. Compatible With: HK91 HK G3 HK...
    HKP-01607
    $73.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $73.95
    Subtotal:
  • New - RCM HK MP5 9mm Navy Barrel - Threaded 1/2x28 - 3-Lug - HKP-01162 HK MP5N Barrel - 9mm - 8.85" - Threaded 1/2x28 with 3 Lug
    Add to Cart

    HK MP5N Barrel - 9mm - 8.85" - Threaded 1/2x28 with 3 Lug

    RCM

    $165.00
    RCM HK MP5 9mm Navy Barrel - Threaded 1/2x28 - 3-Lug This MP5N barrel is made in the USA from Cold Hammer Forged steel, providing top quality and value. It is treated with a durable nitride finish, similar to Sig Sauer's process, for a hard, resilient...
    HKP-01162
    $165.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $165.00
    Subtotal:
  • New - SB Tactical - HK MP5 Brace with HKP Adapter - Skeletonized - HKP-21055 HK MP5 Brace and HKP Adapter - Skeletonized
    Add to Cart

    HK MP5 Brace and HKP Adapter - Skeletonized

    HKP HK Parts / SB Tactical

    $299.95
    SB Tactical Side Folding Brace For The HK MP5, SP5 model Each brace comes assembled ready to install no assembly required. This complete brace will come assembled with our own HK Parts stock adapter. CNC machined aircraft grade aluminum with QD sling...
    HKP-21055
    $299.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $299.95
    Subtotal:
  • New - HK .45 ACP Barrel Bore Cleaning Brush - HKP-02757
    Add to Cart

    Barrel Bore Cleaning Brush - .45 ACP

    USA

    $1.95
    HK .45 ACP Barrel Bore Cleaning Brush This brush is a must-have item to clean the barrel effectively, and it is compatible with all standard 8-32 threaded cleaning rods (universal/most common thread). We offer a large variety of long-lasting...
    HKP-02757
    $1.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1.95
    Subtotal:
  • Out Of Stock
    New - H&K HK416/417/MR556/MR762 Catch Spring - Magazine - HKP-02620

    HK416, MR556, HK417, MR762 Magazine Catch Spring

    H&K Heckler & Koch

    $9.95
    Heckler and Koch Magazine Catch Spring for HK 416, HK MR556 and HK417, MR762 HK German manufacture. Compatible With: HK416, MR556 M27 HK417, MR762 G28 AR15, M4, M16 firearms
    HKP-02620
    $9.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • New - HKP HK MP5F Flat - Alternate Holes - HKP-21551 HK MP5F Receiver Flat - Alternate Holes
    Add to Cart

    HK MP5F Receiver Flat - Alternate Holes

    HKP HK Parts

    $125.95
    HKP HK MP5F 9mm Flat - Alternate Holes MP5 receiver flat crafted by the original German tool and die maker of the LSC receiver flat using factory original German prints and specifications. This receiver features alternate holes for the correct MP5F or...
    HKP-21551
    $125.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $125.95
    Subtotal:
  • Total: items /

Adding your products to cart