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 Full Auto Trigger Pack Elbow Spring With Roller - Used - HKP-16241 HK MP5, HK33, HK53, HK93 Elbow Spring With Roller - Full Auto Trigger Pack - Used
    Add to Cart

    HK MP5, HK33, HK53, HK93 Elbow Spring With Roller - Full Auto Trigger Pack - Used

    H&K Heckler & Koch

    $4.95
    H&K Full Auto Trigger Pack Elbow Spring With Roller - USED Used- Good shape. This item is a factory HK German replacement part.
    HKP-16241
    $4.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4.95
    Subtotal:
  • New - MI HK MP5K Tri-Rail Handguard - HKP-21486 HK MP5K Handguard - Tri-Rail
    Add to Cart

    HK MP5K Handguard - Tri-Rail

    MI Midwest Industries

    $149.95
    MI HK MP5K Tri-Rail Handguard   Features: Professional grade one-piece design Tri-Rail 1913 Picatinny on 3 sides for accessory attachment Simple installation, includes all tools Lightweight design Features two anti-rotation QD sling swivel...
    HKP-21486
    $149.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $149.95
    Subtotal:
  • New - HKP HK MP5 9mm Receiver Flat with Weldment Set - HKP-20920 HK MP5 Receiver Flat with Weldment Set - 9mm
    Add to Cart

    HK MP5 Receiver Flat with Weldment Set - 9mm

    HKP HK Parts

    $219.95
    HKP HK MP5 9mm Receiver Flat with Weldment Set New MP5 receiver flat and weldment set combined for the best complete build option on the market. Made by the original German tool and die maker of the LSC receiver flat utilizing factory original German...
    HKP-20920
    $219.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $219.95
    Subtotal:
  • New - PTR (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH - HKP-02148 PTR Muzzle Brake - Threaded 15x1 RH
    Add to Cart

    PTR Muzzle Brake - Threaded 15x1 RH

    PTR

    $25.95
    PTR (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH Correct HK threading 15x1 right hand with HK style retaining spring to latch on the HK splined barrel. Made in the US and counts as one US 922r compliant part. Specifications: Threaded...
    HKP-02148
    $25.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
    Subtotal:
  • New - HKP Single Point Sling - OD Green - HKP-09057 HK Single Point Sling - OD Green
    Add to Cart

    HK Single Point Sling - OD Green

    HKP HK Parts

    $29.95
    HKP Single Point Sling - OD Green This high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point HK sling. Features: Super thick all OD Green heavy-duty Cordura nylon to withstand years of...
    HKP-09057
    $29.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • Out Of Stock
    New - Blitzkrieg HK MP5 Spike Front Sight Gen 2 - Luminescent Green - HKP-21097 HK MP5 Spike Front Sight Gen 2 - Luminescent Green

    HK MP5 Spike Front Sight Gen 2 - Luminescent Green

    Blitzkrieg Components

    $87.95
    Blitzkrieg HK MP5 Spike Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight is engineered to deliver a precise and visible aiming point, enhancing target acquisition and accuracy. This model features a spike-tipped post and a...
    HKP-21097
    $87.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $87.95
    Subtotal:
  • New - H&K -4 Roller For Bolt Head 7.96mm - Under-sized - HKP-00504 Bolt Head Locking Roller - -4, 7.96mm - Under-sized
    Add to Cart

    Bolt Head Locking Roller - -4, 7.96mm - Under-sized

    H&K Heckler & Koch

    $27.99
    Heckler and Koch -4 7.96mm Undersized Roller for Bolt Heads  The proper roller size is essential for proper head spacing and bolt gap. New HK German not surplus or used goods. German-made -4 roller, each roller is priced per roller. Compatible...
    HKP-00504
    $27.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $27.99
    Subtotal:
  • New - HKP HK MP5 .22 Bench Mat - HKP-17280
    Add to Cart

    HK MP5 .22 Bench Mat

    HKP HK Parts

    $24.95
    HK MP5 .22 Bench Mat The HK MP5 .22 bench mat is the perfect cleaning & repair mat designed specifically for your HK MP5 .22 models. Have fun and learn while you work on your favorite H&K firearm. The soft top protects your gun from scratches...
    HKP-17280
    $24.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • Out Of Stock
    New - B&T MP5, MP5K Low Profile Mount, Extended T1/T2 - HKP-16876 HK MP5, MP5K Optic Mount - 138mm - Low Profile - Extended Picatinny

    HK MP5, MP5K Optic Mount - 138mm - Low Profile - Extended Picatinny

    B&T Brugger & Thomet

    $159.95
    B&T MP5, MP5K Low Profile Picatinny Mount  Specifications: Color: Black Height max: 23.5 mm Length max: 138 mm Length of top rail: 138 mm Material: Aluminum NATO Accessory Rails: 1 weaver type style rail Part number: BT-21241 Treatment:...
    HKP-16876
    $159.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • New - RCM HK21 Barrel - 17.7" - HKP-21521 HK21, HK11 Barrel - 17.7" -7.62x51 / .308
    Add to Cart

    HK21, HK11 Barrel - 17.7" -7.62x51 / .308

    RCM

    $684.95
    RCM HK21 Barrel RCM HK21 barrels are crafted from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance. These barrels are the most cost-effective option to finish your HK21/FMP or HK11 build as the original barrels are rare and command a...
    HKP-21521
    $684.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $684.95
    Subtotal:
  • New - SB Tactical MP5 & SP5 Folding Brace - Skeletonized - HKP-21397 HK MP5, SP5 Folding Brace - Skeletonized
    Add to Cart

    HK MP5, SP5 Folding Brace - Skeletonized

    SB Tactical

    $149.95
    SB Tactical MP5 & SP5 Folding Brace - Skeletonized Features: Each brace comes assembled ready to install no assembly required Made in the USA B&T inspired design & styling QD Sling Attachment Fully adjustable nylon stabilizing strap 10.5" in...
    HKP-21397
    $149.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $149.95
    Subtotal:
  • New - HK Parts MP5/K SP5/K Folding Stock Buffer - HKP-20833 HK MP5, MP5K, SP5, SP5K Folding Stock Buffer
    Add to Cart

    HK MP5, MP5K, SP5, SP5K Folding Stock Buffer

    HKP HK Parts

    $9.95
    HK Parts Folding Stock Buffer for HK MP5, SP5, MP5K, SP5K This item used to replace the factory HK buffer on MP5K folding stocks and end cap. This is only usable on the factory OEM stock and end cap. This buffer can also be used as a replacement buffer...
    HKP-20833
    $9.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • Total: items /

Adding your products to cart