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 MP5 3 Position Navy T/G 0,1,Full With ESSL - HKP-00159 HK MP5 Trigger Group with With ESSL - Navy 3 Position 0,1,Full - 9mm
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    HK MP5 Trigger Group with With ESSL - Navy 3 Position 0,1,Full - 9mm

    H&K Heckler & Koch

    $2,549.95
    H&K Heckler and Koch 3 Position Navy Trigger Group 0, 1, Full with Extended Safety Selector Lever for HK MP5 New factory German complete trigger group with the left side extended lever. No longer available and just a few units remaining. Compatible...
    HKP-00159
    $2,549.95
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    Qty in Cart: 0
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    $2,549.95
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  • New - H&K Clipped & Pinned Semi-Auto FBI (0,1) Ambidextrous Trigger Group - HKP-00154 HK MP5, HK94 Trigger Group - Ambi FBI 0,1 - Semi Auto - Clipped and Pinned
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    HK MP5, HK94 Trigger Group - Ambi FBI 0,1 - Semi Auto - Clipped and Pinned

    H&K Heckler & Koch

    $799.95
    H&K Clipped & Pinned Semi-Auto FBI (0,1) Ambidextrous Trigger Group HK German factory Clipped & Pinned Semi-Auto FBI (0,1) Ambidextrous Trigger Group in 9mm For Your HK94 Or MP5 Conversion, this part updates your HK to the newer style...
    HKP-00154
    $799.95
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    Qty in Cart: 0
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    $799.95
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  • HK416, MR556 2-Stage Trigger - Full-Auto HK416, MR556 2-Stage Trigger - Full-Auto
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    HK416, MR556 2-Stage Trigger - Full-Auto

    H&K Heckler & Koch

    $449.95
    HK416, MR556 2-Stage Trigger - Full-Auto Factory HK 2-stage full-auto HK416 trigger. Compatible with semi-auto HK416's and MR556's. We have a small number of these triggers and HK will not be importing any more units from Germany.  Once these...
    HKP-22423
    $449.95
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    Qty in Cart: 0
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    $449.95
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  • On Sale
    HK91, HK G3 Locking Piece - USED H&K Heckler & Koch HKP-16712-USED HK91, HK G3 Locking Piece - USED H&K Heckler & Koch HKP-16712-USED
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    HK91, G3, FMP Locking Piece - USED

    H&K Heckler & Koch

    Now: $8.93
    Was: $14.95
    Heckler and Koch Locking Piece for HK FMP HK91 and G3 - USED SOLD INDIVIDUALLY.  USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL.  HK German Locking Piece for FMP - USED. This is the factory...
    HKP-16712-USED
    Now: $8.93
    Was: $14.95
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    Now: $8.93
    Was: $14.95
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  • Out Of Stock
    Compact Vertical Foregrip With Hand Stop - Picatinny Compact Vertical Foregrip With Hand Stop - Picatinny

    Compact Vertical Foregrip With Hand Stop - Picatinny

    JMK

    $98.95
    Compact Vertical Foregrip with Hand stop - Picatinny The JMK Vertical Foregrips are ideally suited for applications with restricted space. All grips are precision-machined from black walnut and complemented by a 6061 aircraft-grade aluminum handstop...
    HKP-22411-M
    $98.95
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    $98.95
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  • PTR PDW MOE PR Stock Magpul HKP-22347 HK51, PTR PDW MOE PR Stock
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    HK51, PTR PDW MOE PR Stock

    Magpul

    $249.95
    Magpul HK51, PTR PDW MOE PR Stock - Black Designed for the PTR PDW platform, this adapter ensures a precise fit and secure lockup for stock installation. Features: Secure lockup for repeatable seating and zero retention High-strength aluminum...
    HKP-22347
    $249.95
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    $249.95
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  • On Sale
    Used - HK UMP 3 Position Lower Grip Frame - Black - RARE - USED - HKP-99274 HK UMP 3 Position Lower Grip Frame - Black - RARE - USED
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    HK UMP 3 Position Lower Grip Frame - Black - RARE - USED

    HKP HK Parts

    Now: $449.95
    Was: $699.95
    HK UMP 3 Position Lower Grip Frame - Black - RARE - USED   ONLY 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Used UMP Lower...
    HKP-99274
    Now: $449.95
    Was: $699.95
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    Now: $449.95
    Was: $699.95
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  • Used - H&K 91/G3 (7.62x51/.308) A3 Retractable Stock - New Old Stock - HKP-22104 HK91, G3 A3 Retractable Buttstock - New Old Stock
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    HK91, G3 A3 Retractable Buttstock - New Old Stock

    H&K Heckler & Koch

    $1,345.95
    Heckler and Koch HK91, G3 A3 Retractable Stock - New Old Stock Genuine HK A3 retractable stock the HK91 or G3. These are original HK production units that have been out of manufacture for years, making remaining NOS increasingly rare. Compatible...
    HKP-22104
    $1,345.95
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    $1,345.95
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  • Out Of Stock
    New - H&K HK416 Convex Buttstock w/Wrench - HKP-22025 HK416 Convex Buttstock - Wrench Included

    HK416 Convex Buttstock - Wrench Included

    H&K Heckler & Koch

    $114.95
    H&K HK416 Convex Buttstock w/Wrench Factory-original H&K buttstock with convex buttpad and included tool. Compatible with HK416 rifles using MIL-SPEC buffer tubes (not included). Features: Ergonomic cheek weld Twist-off rubber buttpad with two...
    HKP-22025
    $114.95
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    $114.95
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  • Out Of Stock
    New - H&K VTAC-MK2 Sling - Coyote Tan - HKP-22008 HK VTAC-MK2 Sling - Coyote Tan

    HK VTAC-MK2 Sling - Coyote Tan

    H&K Heckler & Koch

    $62.95
    H&K VTAC-MK2 Sling - Coyote Tan - Two Point Sling The Viking Tactics Padded Sling features a closed cell foam shoulder strap and durable resin treated nylon. Its quick adjust design allows fast length changes from any position. The friction resistant...
    HKP-22008
    $62.95
    Out Of Stock
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    $62.95
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  • New - H&K MR556/MR762 A4 Disconnector - HKP-21969
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    HK MR556, MR762 A4 Disconnector

    H&K Heckler & Koch

    $18.95
    H&K MR556/MR762 A4 Disconnector Factory H&K disconnector for use in MR556 A4 and MR762 A4 platforms.   Compatible With: HK MR556 A1/A4 HK MR762 A1/A4  
    HKP-21969
    $18.95
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    $18.95
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  • New - H&K HK MR762 A4 14.4" QD Handguard - HKP-21936 HK MR762 A4 Handguard - Quick Detach - 14.4"
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    HK MR762 A4 Handguard - Quick Detach - 14.4"

    H&K Heckler & Koch

    $739.95
    Heckler and Koch 14.4" Quick Detach Handguard for HK MR762 A4 Factory HK 14.4" handguard for the MR762 A4. This rail uses the correct HK quick-detach mounting system for fast removal and secure reattachment. Constructed from lightweight, durable aluminum...
    HKP-21936
    $739.95
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    $739.95
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