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.

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  • Out Of Stock
    New - MM HK 21 (7.62x51/.308) Belt Box Adapter - HKP-01844 HK 21 Ammunition Belt Box Adapter

    HK 21 Ammunition Belt Box Adapter

    Michaels Machines

    $274.95
    Belt Box Adapter A new custom-made adapter - allows you to use HK German factory HK21E belt boxes on the HK21 older style or original style belt feds. It is a drop-in design that will enable easy and quick use of the superior HK21E belt boxes...
    HKP-01844
    $274.95
    Out Of Stock
    Qty in Cart: 0
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    $274.95
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  • Out Of Stock
    New - H&K Universal Harris Bipod Adapter - RAL 8000 - HKP-17750 HK Universal Harris Bipod Adapter - RAL8000

    HK Universal Harris Bipod Adapter - RAL8000

    H&K Heckler & Koch

    $199.95
    HK Factory Harris Bipod Adapter - Low Profile - RAL 8000 This adapter is used to attach the Harris bipod to any Picatinny rail. Fits all picatinny railed forearms or applications. Features the lowest profile of any bipod adapter we have encountered with...
    HKP-17750
    $199.95
    Out Of Stock
    Qty in Cart: 0
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    $199.95
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  • New - H&K Scope Mount Ring Set - 1 Inch For 30mm Scope - HKP-02474 HK Optic Mount Ring Set - 1 Inch for 30mm Scope
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    HK Optic Mount Ring Set - 1 Inch for 30mm Scope

    H&K Heckler & Koch

    $89.95
    H&K Scope Mount Ring Set - 1 Inch For 30mm Scope Each set includes one complete set of inserts for one complete setup (4 individual sides). This is a Genuine HK German part. Insert rings (1 inch) - HK 30mm claw mount not included.
    HKP-02474
    $89.95
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    $89.95
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  • New - PTR-32 (7.62x39) Locking Piece - 70 degree - HKP-18519 PTR-32 (7.62x39) Locking Piece - 70 degree
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    PTR-32 (7.62x39) Locking Piece - 70 degree

    PTR

    $63.95
    PTR-32 (7.62x39) Locking Piece - 70 degree New PTR Locking Piece For PTR-32. Marked "70" for the PTR-32 series of rifles and pistols. This is a 70 degree locking piece. New PTR manufacture. This locking peice will also work for custom HK builds as well.
    HKP-18519
    $63.95
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    $63.95
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  • Out Of Stock
    New - MM HK PSG1/21E/23E Forward Complete Assist Assembly - HKP-00852 MM HK PSG1/21E/23E Forward Complete Assist Assembly

    MM HK PSG1/21E/23E Forward Complete Assist Assembly

    Michaels Machines

    $779.95
    MM HK PSG1/21E/23E Forward Complete Assist Assembly Michael's Machines US-made complete forward assembly or your HK PSG1, MSG90, HK21E/23E.  A great option for a build now that the factory units are no longer available.  Available exclusively...
    HKP-00852
    $779.95
    Out Of Stock
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    $779.95
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  • Used - H&K 91/G3 A3 Retractable Stock - Used Good - HKP-18067 HK 91, G3 A3 Retractable Buttstock - Used Good
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    HK 91, G3 A3 Retractable Buttstock - Used Good

    H&K Heckler & Koch

    $799.95
    HK G3 & HK 91 (7.62x51/.308) A3 Retractable Stock German - Used Surplus - Excellent Condition Used HK German A3 retractable stocks pulled from German G3 rifles. All come in working order with various degrees of use but 100% operational. These range...
    HKP-18067
    $799.95
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    $799.95
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  • New - PTR HK MP5K 9mm 2 Positions (S,F Pictogram) Grip Frame Housing - Clipped & Pinned - HKP-16443 PTR HK MP5K 9mm 2 Positions (S,F Pictogram) Grip Frame Housing - Clipped & Pinned
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    PTR HK MP5K 9mm 2 Positions (S,F Pictogram) Grip Frame Housing - Clipped & Pinned

    PTR

    $159.95
    PTR HK MP5K 9mm 2 Positions (S,F Pictogram) Grip Frame Housing - Clipped & Pinned This HK aftermarket trigger housing will accept all SEF style trigger packs. This is made by PTR 91 to exact HK specs. This housings comes clipped and ready for a...
    HKP-16443
    $159.95
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    $159.95
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  • HK MP5 3 Position 0,1,F Navy Housing - Push Pin Housing
HK MP5 3 Position 0,1,F Navy Housing - Push Pin Housing
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    HK MP5 3 Position 0,1,F Navy Housing - Push Pin Housing

    HKP HK Parts

    $169.95
    3 Position 0,1,F Navy Ambidextrous Grip Housing -USA MADE This housing is for push pin type receivers such as those found on AP5, Zenith Z-5RS models or POF full size MP5 models. This is a USA made offering that counts as 1 USA made compliant part...
    HKP-18196
    $169.95
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    $169.95
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  • New - Ergo Tactical Grip For MR556/MR762-Dark Earth - HKP-17192 Ergo Tactical Grip For MR556/MR762-Dark Earth Ergo HKP-17192
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    HK416, MR556, HK417, MR762 Tactical Grip - Dark Earth

    Ergo

    $52.95
    Ergo Grip PSG1 Style Grip For MR556 & MR762- DARK EARTH Just in and a great upgrade if you want the PSG1 style grip frame for your HK MR556, MR762 & HK416, HK417, G28 firearm. The ergonomically enhanced ERGO Tactical Deluxe Grips fits all AR15,...
    HKP-17192
    $52.95
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    $52.95
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  • HK416, MR556, HK417, MR762 Selector Lever - Ambi - Left
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    HK416, MR556, HK417, MR762 Selector Lever - Ambi - Left

    H&K Heckler & Koch

    $11.95
    Heckler & Koch HK416 Ambi Safety Selector Lever Factory HK polymer left side selector lever.  Compatible With: HK416 A1/A3 HK MR556 A1 HK417 HK MR762 A1  
    HKP-22310
    $11.95
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  • On Sale
    New - MKE Roller Retainer Plate for Rollers - HKP-22235 MKE Roller Retainer Plate for Rollers MKE HKP-22235
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    HK MP5, 90 Series Holder Plate for Locking Rollers

    MKE

    Now: $24.95
    Was: $29.95
    MKE Roller Retainer Plate for Rollers This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Compatible With: HK MP5, 94 HK MP5K, SP89 HKG3, 91,...
    HKP-22235
    Now: $24.95
    Was: $29.95
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    Now: $24.95
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  • On Sale
    New - HKP MP5/K 40/10 Locking Piece - Extra Low Impulse - Gunsmith Special - BLEMISHED - HKP-18273-B HK MP5, MP5K Locking Piece - 100 Degree - Extra Low Impulse - .40 S&W, 10mm - Gunsmith Special - BLEMISHED
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    HK MP5, MP5K Locking Piece - 100 Degree - Extra Low Impulse - .40 S&W, 10mm - Gunsmith Special - BLEMISHED

    HKP HK Parts

    Now: $9.95
    Was: $49.95
    HKP MP5/K 40/10 Locking Piece - Extra Low Impulse - Gunsmith Special - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Please Note: Will require work...
    HKP-18273-B
    Now: $9.95
    Was: $49.95
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    Now: $9.95
    Was: $49.95
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