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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  • Picatinny Optic Mount Shield - Aimpoint T2, H2 - S.W.O.R.D.S Picatinny Optic Mount Shield - Aimpoint T2, H2 - S.W.O.R.D.S
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    Picatinny Optic Mount Shield - Aimpoint T2, H2 - S.W.O.R.D.S

    Frost Defense

    $239.95
    Aimpoint T-2, H-2 Optic Mount - S.W.O.R.D.S - Picatinny Mount The S.W.O.R.D.S Enhanced optic shield designed for Aimpoint T2/H2 red dot sights. This patent-pending mount system provides robust glare and impact protection by surrounding the ocular and...
    HKP-22338-M
    $239.95
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  • On Sale
    New - MI/HKP HK MP5K Alpha Folding Brace/Stock Adapter - HKP-21514-M HK MP5K Folding Stock With Direct Fit Adapter
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    HK MP5K Folding Stock With Direct Fit Adapter

    MI Midwest Industries

    Now: $369.95
    Was: $419.95
    HK MP5K Folding Stock With Direct Fit Adapter The Midwest Industries Alpha folding stock paired with the HK Parts picatinny rail adapter offers unparalleled versatility. Adjust your length of pull, cheek riser, and butt pad to your exact style of...
    HKP-21514-M
    Now: $369.95
    Was: $419.95
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    Now: $369.95
    Was: $419.95
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  • New - JMAC Universal Picatinny 8" Stock with 1913 Folding Mech - HKP-21241-M Picatinny  8" Stock with 1913 Folding Mech
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    Picatinny 8" Stock with 1913 Folding Mech

    JMAC Customs

    $304.90 - $309.90
    JMac 8" Stock with 0.275" Cheek Rise - 1913 Attachment Feautures: New Integrated Rubber Buttpad 2x Integrated QD Sling Socket 8" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers Compatible with JMAC & SIG folding...
    HKP-21241-M
    $304.90 - $309.90
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  • New - HKP HK MP5K/SP89 9mm Flat Receiver - HKP-20733 HK MP5K, SP89 Flat Receiver - 9mm
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    HK MP5K, SP89 Flat Receiver - 9mm

    HKP HK Parts

    $199.95
    MP5K, SP89 Receiver Flat - 9mm New MP5K receiver flat made by the original German tool and die maker of the LSC receiver flat utilizing factory original German prints and specifications. The creator of our receiver flat has been regarded as the premier...
    HKP-20733
    $199.95
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  • Out Of Stock
    HK MP5 Bolt Carrier - 9mm - Red HK MP5 Bolt Carrier - 9mm - Red

    HK MP5 Bolt Carrier - 9mm - Red

    HKP HK Parts

    $189.95
    Bolt Carrier F/A - 9mm - HK Red - MP5 Machined completely from billet ordnance steel. This carrier is made to the latest specs and is Tungsten filled, and heat-treated providing the finest American made carrier available.  This carrier has been...
    HKP-19535
    $189.95
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  • New - B&T HK MR556/MR762/416/417 Brass Catcher - HKP-16899 HK416, MR556, HK417, MR762 Brass Catcher
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    HK416, MR556, HK417, MR762 Brass Catcher

    B&T Brugger & Thomet

    $289.95
    B&T Picatinny Rail-Mount Brass Catcher This B&T brass catcher is quick and easy to install on to your factory picatinny mount equipped handguard.  If your handguard does not have a picatinny rail to mount the brass catcher, you can simply...
    HKP-16899
    $289.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Bolt Catch - HKP-01897
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    HK UMP, USC Bolt Catch

    H&K Heckler & Koch

    $58.95
    HK UMP & USC Bolt Catch  New HK German lower. Compatible With: HK UMP HK USC
    HKP-01897
    $58.95
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  • New - RCM HK 53 (5.56/.223) Barrel - Threaded 15x1 - HKP-01156
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    HK53 Barrel - 5.56 / .223 - 8.275" - Threaded 15x1

    RCM

    $164.95
    RCM HK 53 (5.56/.223) Barrel - Threaded 15x1 These are the finest US-made barrels available and come highly recommended by HKPARTS. Machined 100% in the USA, 922r compliant, and counts as 1 US-made 922r compliant part. Specifications: Cold Hammer Forged...
    HKP-01156
    $164.95
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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 - SB Tactical SBM4 Pistol Stabilizing Brace - HKP-17903 SB Tactical SBM4 Pistol Stabilizing Brace
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    SB Tactical SBM4 Pistol Stabilizing Brace

    SB Tactical

    $74.99
    SB Tactical SBM4 Pistol Stabilizing Brace The SBM4 is the evolution of the original SB15 Pistol Stabilizing Brace . . . thinner, lighter and with enhanced cheek weld ergonomics. Includes: Pistol stabilizing brace Adjustable nylon stabilizing...
    HKP-17903
    $74.99
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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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  • On Sale
    HK91, G3, PTR Magazine - 20 Round - Date Coded - USED HK91, G3, PTR Magazine - 20 Round - Date Coded - USED
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    HK91, G3, PTR Magazine - 20 Round - Date Coded - USED

    H&K Heckler & Koch

    Now: $24.95
    Was: $34.95
    Heckler and Koch HK91, G3, PTR 20 Round Date Coded Magazine - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY DENTS AND PITTING USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Factory German HK 20...
    HKP-99439-M
    Now: $24.95
    Was: $34.95
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    Now: $24.95
    Was: $34.95
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