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 - 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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  • Used - H&K 91/G3 A3 Retractable Stock - Used Good - HKP-18067 HK91, G3 A3 Retractable Buttstock - Used Good
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    HK91, G3 A3 Retractable Buttstock - Used Good

    H&K Heckler & Koch

    $799.95
    HK Heckler and Koch A3 Retractable Stock for HK G3 and HK91 in Excellent Condition Used HK German A3 retractable buttstocks pulled from German G3 rifles. All come in working order with various degrees of use but 100% operational. These range from Good to...
    HKP-18067
    $799.95
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  • Out Of Stock
    New - H&K Central Buttstock Section - HK Green - HKP-16987 HK Factory Buttstock - Central Section - HK Green

    HK Factory Buttstock - Central Section - HK Green

    H&K Heckler & Koch

    $34.95
    H&K Central Buttstock Section - HK Green This stock section is no longer being manufactured as the G3 and HK91 are out of production.  PLEASE NOTE: These units have handling marks and the price has been set accordingly.
    HKP-16987
    $34.95
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  • New - PTR HK MP5K 9mm 2 Positions (S,F Pictogram) Grip Frame Housing - Clipped & Pinned - HKP-16443 HK MP5K Grip Frame Housing - 2 Positions S,F Pictogram - Clipped and Pinned - 9mm
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    HK MP5K Grip Frame Housing - 2 Positions S,F Pictogram - Clipped and Pinned - 9mm

    PTR

    $159.95
    PTR HK MP5K 9mm 2 Positions (S,F Pictogram) Grip Frame Housing - Clipped and Pinned This HK aftermarket trigger housing will accept all SEF style trigger packs. This is made by PTR 91 to exact HK specs. This housing comes clipped and ready for a...
    HKP-16443
    $159.95
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  • HK MP5K, SP5K, SP89 Lower - ARC HK MP5K, SP5K, SP89 Lower - ARC
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    HK MP5K, SP5K, SP89 Lower - ARC

    AS Designs

    $649.95
    AS Designs ARC Lower for HK MP5K, SP5K, SP89  The ASD ARC Lower allows for faster follow-up shots by resetting after each shot. This is a true drop-in trigger and housing assembly featuring SEMI, ARC, and SAFE selections. Installation is easy;...
    HKP-22546-M
    $649.95
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    $649.95
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  • On Sale
    HK MP5, AP5 Cocking Handle - BLEMISHED HK MP5, AP5 Cocking Handle - BLEMISHED
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    HK MP5, AP5 Cocking Handle - BLEMISHED

    MKE

    Now: $9.95
    Was: $17.95
    MKE AP5, HK MP5 Cocking Handle - BLEMISHED MARKINGS ON AXLE - DENTS ON BODY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Factory-style cocking handle for...
    HKP-99374
    Now: $9.95
    Was: $17.95
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  • HK MR762 A4 Upper Receiver Kit - 13" HK MR762 A4 Upper Receiver Kit - 13"
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    HK MR762 A4 Upper Receiver Kit - 13"

    H&K Heckler & Koch

    $2,499.95
    HK MR762 A4 Upper Receiver Kit - 13" The MR762 A4 kit contains a complete upper receiver and barrel assembly. The closed system design significantly reduces malfunctions typically associated with direct-impingement gas systems, as hot carbon fouling and...
    HKP-22399
    $2,499.95
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  • Used - H&K G36 (5.56/.223) 30 Round Magazine - LEO Marked - USED - HKP-22212 HK G36 Magazine - 30 Round - LEO Marked - USED
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    HK G36 Magazine - 30 Round - LEO Marked - USED

    H&K Heckler & Koch

    $195.99
    H&K G36 (5.56/.223) 30 Round Magazine - LEO Marked - USED CONDITION VARIES BY UNIT - SOLD INDIVIDUALLY HK German 30-round magazine, LEO marked, designed to perfectly fit all G36, G36K, G36C variants, and converted SL8's with the G36 magwell...
    HKP-22212
    $195.99
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  • New - Heckler and Koch HK416 and HK417 Pistol Grip and Tool - Black - HKP-22208 HK416, MR556, HK417, MR762 Pistol Grip - Tool Included
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    HK416, MR556, HK417, MR762 Pistol Grip - Tool Included

    H&K Heckler & Koch

    $159.95
    HK Heckler and Koch's Pistol Grip with tool - Black Factory German pistol grip in black.  Compatible With: HK416, MR556 HK417, MR762 M27 G28 AR-15, M4, & M16 Platforms  
    HKP-22208
    $159.95
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  • On Sale
    New - TPM Grenade Bolt Knob – Bronze - HKP-20909 Bolt Knob - Grenade – Bronze
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    Bolt Knob - Grenade – Bronze

    Tactical Precision MFG

    Now: $19.95
    Was: $100.00
    TPM Grenade Bolt Knob – Bronze These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle. Specifications: Dimensions: 1.90″ x 7/8″ x 7/8″ Weight: 2 oz. Threading: 5/16×24
    HKP-20909
    Now: $19.95
    Was: $100.00
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    Now: $19.95
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  • Out Of Stock
    On Sale
    New - GSG9 HK SP5 US Rear Stock w/ HK Parts Adapter - HKP-20662 HK SP5 Stock with HKP Adapter

    HK SP5 Stock with HKP Adapter

    HKP HK Parts / GSG9

    Now: $189.95
    Was: $259.95
    GSG9 US Folding Stock with HK Parts Adapter for HK SP5 GSG9 US folding stock paired with an HK Parts SP5 adapter. Configured as a direct-fit stock assembly for the SP5 platform. Specifications: CNC machined adapter Solid billet aircraft-grade...
    HKP-20662
    Now: $189.95
    Was: $259.95
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  • New - H&K HK MR556/HK 416 9" M-LOK Handguard - Black - HKP-19670 HK416, MR556 Handguard - 9" - M-LOK
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    HK416, MR556 Handguard - 9" - M-LOK

    H&K Heckler & Koch

    $244.95
    H&K HK MR556/HK 416 9" M-LOK Handguard - Black New HK German manufactured forearm for the HK 416 and MR556 firearm. Comes exactly as pictured.  Compatible With: HK MR556 HK 416
    HKP-19670
    $244.95
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    $244.95
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