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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  • New - HKP MP5 40/10 Trunnion - HKP-02737 HK MP5 Trunnion - .40 S&W, 10mm
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    HK MP5 Trunnion - .40 S&W, 10mm

    HKP HK Parts

    $139.95
    MP5 40 & MP5 10mm Trunnion Machined from ordnance-grade steel and heat-treated to factory specs. Each has the bullet guides pre-installed and included. These are the best USA-made trunnions on the market. Machined to HK spec, making the installation...
    HKP-02737
    $139.95
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  • Out Of Stock
    New - H&K MP5 40/10 Field Cleaning Kit - HKP-00340 HK MP5 Field Cleaning Kit - .40 S&W, 10mm

    HK MP5 Field Cleaning Kit - .40 S&W, 10mm

    HKP HK Parts / Heckler & Koch

    $79.95
    HKP HK Parts and Heckler and Koch Field Cleaning Kit for HK MP5 40,10   This cleaning kit is a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners.   Includes: Saf-T-Clad Cleaning Rod Accessory Adapter Section...
    HKP-00340
    $79.95
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  • New - PTR HK MP5 & 93/53/33 (9mm & 5.56/.223) 2 Position (S,F Pictogram) Grip Frame Housing - Clipped & Pinned - HKP-00840 HK MP5, HK33, HK53, HK93 Grip Frame Housing - 2 Position S,F,Pictogram - Clipped and Pinned - 9mm, 5.56 / .223
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    HK MP5, HK33, HK53, HK93 Grip Frame Housing - 2 Position S,F,Pictogram - Clipped and Pinned - 9mm, 5.56 / .223

    PTR

    $99.95
    PTR HK MP5 & 93/53/33 (9mm & 5.56/.223) 2 Position (S,F Pictogram) Grip Frame Housing - Clipped & Pinned This is made by PTR-91 to exact HK specs. These housings come clipped and ready for the semi-auto shelf. This HK aftermarket trigger...
    HKP-00840
    $99.95
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    $99.95
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  • New - HKP Single Point Sling - ACU Digital Camo - HKP-15041 HK Single Point Sling - ACU Digital Camo
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    HK Single Point Sling - ACU Digital Camo

    HKP HK Parts

    $29.95
    HKP Single Point Sling - ACU Digital Camo HK single-point bungee sling for use on all HK & other firearm applications. This super high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point...
    HKP-15041
    $29.95
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  • Out Of Stock
    HK416, MR556 Magazine Catch - Ambi HK416, MR556 Magazine Catch - Ambi

    HK416, MR556 Magazine Catch - Ambi

    H&K Heckler & Koch

    $92.95
    H&K HK MR556, HK416 Mag Catch - Ambi Factory HK ambidextrous magazine catch/release. Compatible With: HK416 A5 HK MR556 A4 NOT compatible with earlier variants with single-side controls
    HKP-22289
    $92.95
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  • New - H&K MR762/417 Magazine - 5 Round - HKP-22013 HK417, MR762 Magazine - 5 Round
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    HK417, MR762 Magazine - 5 Round

    H&K Heckler & Koch

    $78.95
    H&K 5 Round MR762/417 Magazine 5-round magazine for the MR762 and HK417.  Compatible With: MR762 HK417
    HKP-22013
    $78.95
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  • New - H&K 416 Front Takedown Pin - HKP-21862 HK416, MR556 Takedown Pin - Front - A4 Style
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    HK416, MR556 Takedown Pin - Front - A4 Style

    H&K Heckler & Koch

    $26.95
    H&K HK416, MR556 A4 Front Takedown Pin  The HK416 front takedown pin is a German-made component designed to securely fasten the upper and lower receivers. Precision-machined for a proper fit, it ensures reliable function and serves as an ideal...
    HKP-21862
    $26.95
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    $26.95
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  • New - B&T Multitasker Twist - Pocket Multi-Tool - HKP-21747 Multitasker Twist - Pocket Multi-Tool
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    Multitasker Twist - Pocket Multi-Tool

    B&T Brugger & Thomet

    $59.95
    B&T Multitasker Twist Pen-shaped multitool for weapon maintenance and optics/sight adjustments. CNC machined from 6063 T-6 aluminum, Type III Mil-spec Anodized. Features: Aimpoint Micro T1/T2 turret adjuster on rear cap Pocket clip/light-duty...
    HKP-21747
    $59.95
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  • New - B&T HK 416, HK MR223 M-LOK Handguard for (11") - Coyote Tan - HKP-20400 HK416, MR223 Handguard - 11" - M-LOK - Coyote Tan
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    HK416, MR223 Handguard - 11" - M-LOK - Coyote Tan

    B&T Brugger & Thomet

    $279.95
    B&T Brugger and Thomet 11" M-LOK Handguard for HK416 and HK MR223 - Coyote Tan B&T's one-piece 10-inch MLOK handguard for the Heckler and Koch HK416 and civilian equivalent MR223 is an amazing improvement for the combat value of these rifles. A...
    HKP-20400
    $279.95
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  • On Sale
    New - SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace & Adapter- OD Green - HKP-20351 HK MP5 Pistol Stabilizing Brace - SBA4 - Adapter Included - OD Green
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    HK MP5 Pistol Stabilizing Brace - SBA4 - Adapter Included - OD Green

    SB Tactical

    Now: $229.95
    Was: $294.95
    SB Tactical HK MP5 SBA4 Pistol Stabilizing Brace & Adapter - OD Green MP5, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment. This brace is the perfect addition for...
    HKP-20351
    Now: $229.95
    Was: $294.95
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  • Out Of Stock
    New - JMAC Customs AB-8 w/ Brace/Stock Adapter and 1913 Folding Mech - HKP-20148 AB-8 and Stock or Brace Adapter - 1913 Folding Mech

    AB-8 and Stock or Brace Adapter - 1913 Folding Mech

    JMAC Customs

    $269.95
    JMAC Customs AB-8 w/ Brace/Stock Adapter and 1913 Folding Mech If your firearm doesn't already have a 1913 attachment rail on the rear, choose the appropriate adapter above! (A)rm(B)ar(8)inch + AB-BA brace adapter + JMac 1913 folding mech. (not...
    HKP-20148
    $269.95
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  • New - HKP, H&K HK MP5 German Folding Stock w/ HK Parts Adapter - HKP-19453 HK MP5 Folding Stock with HK Parts Adapter
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    HK MP5 Folding Stock with HK Parts Adapter

    HKP HK Parts / Heckler & Koch

    $269.95
    German Folding Stock with HK Parts Adapter - MP5 German folding stock with MP5 HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Compatible With: MP5 (NOT compatible with MP5 .22...
    HKP-19453
    $269.95
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