HK91 / G3 / HK51 Series

HK91 / G3 / HK51 Series

Discover the ultimate collection of parts for your HK G3 and HK 91, designed to enhance precision, reliability, and performance. Featuring G3 Stocks for improved ergonomics, 91 Barrels for superior accuracy, and G3 Triggers for enhanced responsiveness. Our selection also includes 91 Handguards for advanced protection and control, G3 Forearms for optimal handling, and detailed Parts Kits to fully equip your firearm for any scenario. Each component is engineered for flawless compatibility with your HK G3 or HK 91, ensuring your rifle meets the highest standards of operation and craftsmanship.

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  • On Sale
    New - HKP Binary Selector Lever Set Screw - HKP-20686 HK Replacement Screw for BFS Selector Levers
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    HK Replacement Screw for BFS Selector Levers

    HKP HK Parts

    Now: $1.58
    Was: $1.98
    HKP Binary Selector Lever Set Screw This replacement screw is to mount your Franklin Armory BFS selectors. A great spare screw to replace damaged screws or lost screws as they are small in dimension and very easy to misplace. A must have set screw to...
    Now: $1.58
    Was: $1.98
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  • On Sale
    New - Magpul M-LOK MVG Vertical Grip - HKP-17321 M-LOK Vertical Foregrip - MVG
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    M-LOK Vertical Foregrip - MVG

    Magpul

    Now: $20.66
    Was: $22.95
    M-LOK MVG® VERTICAL GRIP M-LOK SLOT SYSTEM The M-LOK MVG is a light weight, inexpensive vertical foregrip that attaches directly to M-LOK compatible hand guards and forends with no additional Picatinny rails required. Made from the same high quality...
    Now: $20.66
    Was: $22.95
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    New - HKP Roller +9 - New - 8.09mm - HKP-19438 HK Roller +9 - New - 8.09mm
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    HK Roller +9 - New - 8.09mm

    HKP HK Parts

    Now: $7.19
    Was: $8.99
    Roller +9 - New - 8.09mm HK Parts Standard (8.09 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to...
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    Was: $8.99
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    New - HKP Flat Bending Billeted Jig Set For All HK Style Flats - HKP-19583 HK Receiver Flat Bending Jig Set - Billet Aluminum
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    HK Receiver Flat Bending Jig Set - Billet Aluminum

    HKP HK Parts

    Now: $314.97
    Was: $449.95
    Flat Bending Jig Set For All HK Style Flats - Billeted - Aluminum Aluminum billeted universal flat bending jig for all HK receiver flats including PTR .308 flats and the PTR/LSC flats. Each bending jig comes complete with all the pieces you need for...
    Now: $314.97
    Was: $449.95
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    Was: $449.95
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  • New - HKP HK Mil-Spec AR Brace/Stock Adapter & Buffer Tube - HKP-16583 HK91, G3, HK93 Stock or Brace Adapter - with Mil-Spec AR Buffer Tube
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    HK91, G3, HK93 Stock or Brace Adapter - with Mil-Spec AR Buffer Tube

    HKP HK Parts

    $124.95
    HKP HK Mil-Spec AR Brace/Stock Adapter & Buffer Tube AR15 to HK 90 series stock adapter for AR15 stocks that includes the mil-spec buffer tube and castle nut to use any mil-spec AR15/M16 stock of your choice on your HK rifle or SBR build. With the...
    $124.95
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  • On Sale
    Used - H&K HK G3, HK 91 Grip for Metal Frames - Black - Surplus - HKP-16207 HK91, G3, HK33, HK93 Grip for Metal Frames - Surplus
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    HK91, G3, HK33, HK93 Grip for Metal Frames - Surplus

    H&K Heckler & Koch

    Now: $7.16
    Was: $7.95
    H&K HK G3, HK 91 Grip for Metal Frames - Surplus   Used in surplus condition. Each item is used in good shape and will clean up nicely with a little bit of TLC and some attention. A great value for the price.   Compatible With: HK G3 HK...
    Now: $7.16
    Was: $7.95
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  • On Sale
    New - AIM HK 91/G3 (7.62x51/.308) Full Length Handguard - M-LOK - HKP-18176 HK91, G3 Full Length Handguard - M-LOK
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    HK91, G3 Full Length Handguard - M-LOK

    AIM

    Now: $89.95
    Was: $99.95
    HK 91 RIFLE LENGTH HANDGUARD- M-LOK This sleek streamlined design is an ultra low profile handguard with generous mounting space to accept all M-LOK accessories. Superior ergonomics and simple, drop-in installation makes this the best HK pattern rail on...
    Now: $89.95
    Was: $99.95
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  • On Sale
    Used - H&K Trip Lever- Friction - Used - Surplus - HKP-17760 HK Trip Lever- Friction - Used - Surplus
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    HK Trip Lever- Friction - Used - Surplus

    H&K Heckler & Koch

    Now: $3.37
    Was: $3.74
    H&K Trip Lever- Friction - Used - Surplus HK German trip lever for HK F/A or registered sear trigger packs in used surplus condition. This is the older friction style trigger pack found on older HK trigger packs and all HK registered sear packs.
    Now: $3.37
    Was: $3.74
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    Was: $3.74
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  • On Sale
    New - 3 Point Factory Sling HK German - Green - HKP-00182 3 Point Factory Sling HK German - Green HKP-00182
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    HK German Sling - 3 Point - Factory Original - Green

    Other

    Now: $89.95
    Was: $99.95
    3 Point Factory Sling HK German - Green New HK German manufactured. This sling can be used as a 2-point or 3-point sling on your HK firearm. This sling is the factory HK-issued sling that came on the 90 series of firearms. Compatible...
    Now: $89.95
    Was: $99.95
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  • On Sale
    New - HKP Roller +5 - New - 8.05mm - HKP-19440 HP Roller +5 - New - 8.05mm
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    HP Roller +5 - New - 8.05mm

    HKP HK Parts

    Now: $7.19
    Was: $8.99
    Roller +5 - New - 8.05mm HK Parts Standard (8.05 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to...
    Now: $7.19
    Was: $8.99
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  • On Sale
    New - H&K +2 Roller For Bolt Head 8.02mm - Over-sized - HKP-00507 HK MP5, HK53 Locking Roller for Bolt Head - 9mm - 8.02mm
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    HK MP5, HK53 Locking Roller for Bolt Head - 9mm - 8.02mm

    H&K Heckler & Koch

    Now: $35.96
    Was: $39.95
    H&K +2 Roller For Bolt Head 8.02mm - Over-sized New HK standard (8.02 mm) locking roller. The proper roller size is essential for a proper bolt gap. New HK German, not surplus or used out-of-spec part. Please Note: The price listed is per roller...
    Now: $35.96
    Was: $39.95
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  • On Sale
    New - UTG PRO Picatinny Scope Rail For HK Claw Mount - HKP-02042 Picatinny Optic Rail - Claw Adapter
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    Picatinny Optic Rail - Claw Adapter

    UTG PRO

    Now: $13.46
    Was: $14.95
    HK Claw Mount To Picatinny Style Rail This part allows all STANAG style scopes to accept the universal Picatinny style rail. Each rail adapter comes with rail and mounting hardware. This part adds 6 1/8 inches of rail space to the top of your claw mount...
    Now: $13.46
    Was: $14.95
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