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
  • New - HKP MP5K/SP89/SP5K 9mm Cocking Tube - HKP-01838
    Add to Cart

    HK MP5K, SP89, SP5K Cocking Tube - 9mm

    HKP HK Parts

    $84.95
    MP5K, SP89, MP5K-N, MP5K-PDW Cocking Tube - USA This part is built to exact HK German specifications. The only MP5K cocking tube on the market that is a duplicate from factory HK German prints and specs.  Compatible With: HK MP5K, SP89,...
    HKP-01838
    $84.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $84.95
    Subtotal:
  • New - HKP MP5K/SP89/SP5K 9mm AR Brace/Stock Adapter - QD Sling Attachment - HKP-18796 HK MP5K, SP89, SP5K Stock or Brace Adapter - AR - QD Sling Attachment - 9mm
    Add to Cart

    HK MP5K, SP89, SP5K Stock or Brace Adapter - AR - QD Sling Attachment - 9mm

    HKP HK Parts

    $114.95
    HKP MP5K/SP89/SP5K 9mm AR Brace/Stock Adapter - QD Sling Attachment Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum with QD Sling Attachment Points. Properly buffered with factory correct "H" buffers to...
    HKP-18796
    $114.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $114.95
    Subtotal:
  • New - H&K MP5F & MP5 40,10 Recoil Rod Assembly - HKP-00133 HK MP5F, MP5 40/10 Recoil Rod Assembly - Complete
    Add to Cart

    HK MP5F, MP5 40/10 Recoil Rod Assembly - Complete

    H&K Heckler & Koch

    $79.95
    German HK MP5F Recoil Assembly This is the factory-correct MP5F or MP5 40/10 Recoil Rod assembly. Most commonly used for MP5's that are using +P or +P+ ammunition or any high impulse 9mm. Or for all MP5 40 or 10-mm bolt groups. A great upgrade to have...
    HKP-00133
    $79.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
  • On Sale
    New - H&K 9mm Thread Protector - Threaded 1/2x32 RH - HKP-00108
    Add to Cart

    HK MP5, SP5K Thread Protector - 9mm - 1/2x32 RH

    H&K Heckler & Koch

    Now: $32.95
    Was: $39.95
    H&K 9mm Thread Protector - Threaded 1/2x32 RH A great replacement item for lost or damaged thread protectors & caps. This part is compatible with all factory-spec MP5 Navy or MP5KN barrels. Specifications: Overall Length .610" Threaded 1/2x32...
    HKP-00108
    Now: $32.95
    Was: $39.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $32.95
    Was: $39.95
    Subtotal:
  • New - JMAC Universal Picatinny 9" Arm Bar with Brace/Stock Adapter - HKP-21248 Arm Bar and Stock  or Brace Adapter - Picatinny 9"
    Add to Cart

    Arm Bar and Stock or Brace Adapter - Picatinny 9"

    JMAC Customs

    $272.85
    JMAC Universal Picatinny 9" Arm Bar with Brace/Stock Adapter (A)rm(B)ar(9)inch(R)ise + AB-BA Brace Adapter + our 1913 Folding Mech (not assembled) Features: Modular Design - Brace/Stock with many mounting options Integrated QD Sling Socket 9"...
    HKP-21248
    $272.85
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $272.85
    Subtotal:
  • New - Zenith 30 Round HK MP5 Monkey Supersonic Labeled Magazine - HKP-20915 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic - Hear No Evil Monkey
    Add to Cart

    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic - Hear No Evil Monkey

    Zenith

    $43.95
    Zenith 30 Round HK MP5 Monkey Supersonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Feautres: Durable electro-plated black finish for exceptional corrosion resistance All...
    HKP-20915
    $43.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $43.95
    Subtotal:
  • HK91, G3 Locking Piece - 45 Degree - USED HK91, G3 Locking Piece - 45 Degree - USED
    Add to Cart

    HK91, G3 Locking Piece - 45 Degree - USED

    H&K Heckler & Koch

    $14.95
    Heckler and Koch German Locking Piece for HK G3 and HK91- USED This is the factory correct 45 degree locking piece for HK91 and G3 firearms. Used pulled from de-milled firearms and will range in condition but perfectly usable.
    HKP-16712
    $14.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • New - HKP HK UMP, HK USC Lower Axle - HKP-19383
    Add to Cart

    HK UMP, USC Lower Axle Pin

    H&K Heckler & Koch

    $9.95
    HK UMP & USC Lower Axle Pin - US 3 lower axle pins are used for each trigger group or lower all the same size with the exception of the mag release axle on the USC.
    HKP-19383
    $9.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • New - RCM HK 51 (7.62x51/.308) Barrel - Threaded 15x1 RH - HKP-02391 HK51 Barrel - 7.62 / .308 - 8.375" - Threaded 15x1 RH
    Add to Cart

    HK51 Barrel - 7.62 / .308 - 8.375" - Threaded 15x1 RH

    RCM

    $164.95
    RCM HK 51 (7.62x51/.308) Barrel - Threaded 15x1 RH Crafted to precise HK51 specifications, this barrel utilizes HK's renowned cold hammer forged (CHF) process. Features include a knurled sight ring, splined design for secure flash hider attachment, and a...
    HKP-02391
    $164.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $164.95
    Subtotal:
  • New - MM Registered Sear Pack - Re-Timed Hammer - HKP-00153 HK MP5, HK90 Series Re-Timed Hammer - SEF, Navy
    Add to Cart

    HK MP5, HK90 Series Re-Timed Hammer - SEF, Navy

    Michaels Machines

    $168.95
    MM Registered Sear Pack - Re-Timed Hammer - USA This part is the necessary addition for all registered sear conversions in 9mm, 40/10, 223, and.308 trigger packs. Protect your valuable investment by using the proper re-timed hammer for your sear pack...
    HKP-00153
    $168.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $168.95
    Subtotal:
  • New - H&K 3 Point Sling Replacement Holding Clip - HKP-01043
    Add to Cart

    3 Point Sling Holding Clip - Replacement

    H&K Heckler & Koch

    $19.95
    New HK German 3-Point Sling Rear Stock Holding Clip  This is the hard-to-find holding clip that secures the standard 3-point HK sling to the A2 or A3 stock. The rear sling clip can become weak and break, making your 3-point sling useless. The sling...
    HKP-01043
    $19.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • New - Magpul AR-15 CTR 6 Position Stock- Commercial - HKP-02375 Magpul AR-15 CTR 6 Position Stock- Commercial Magpul HKP-02375
    Add to Cart

    AR-15 Stock - CTR 6 Position - Mil-Spec - Magpul

    Magpul

    $79.95
    Magpul AR-15 CTR 6 Position Stock - Mil-Spec The Magpul CTR (Compact/Type Restricted) Commercial-Spec Model is a drop-in replacement buttstock for AR15/M16 carbines using Mil-Spec-sized receiver extension tubes. The streamlined A-frame profile avoids...
    HKP-02375
    $79.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
  • Total: items /

Adding your products to cart