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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  • Used - Universal Cleaning Kit - Used - HKP-15612 HK Rifle Cleaning Kit - Universal - Used
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    HK Rifle Cleaning Kit - Universal - Used

    H&K Heckler & Koch

    $4.95
    Original German Army Issue HK91, G3, PTR Cleaning Kit - Surplus Includes: Brass brush Oil brush Oil tube Hand cleaning brush Pull chain Compatible With: HK91, G3, PTR, C308, CETME HK33, HK33, HK93 HK MP5, MP5SD, HK94 HK MP5K, SP89 HK PSG1, MSG90 HK...
    HKP-15612
    $4.95
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  • Used - Rheinmetall 91/G3/MSG90 20 Round Magazine - Aluminum - Used - HKP-21840 HK91, G3,  PTR Magazine - 20 Round - Aluminum - Rheinmetall - Used
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    HK91, G3, PTR Magazine - 20 Round - Aluminum - Rheinmetall - Used

    Rheinmetall

    $12.95
    Rheinmetall HK G3, HK91, & PTR91 - 20 Round Magazine - Used Perfect for your HK G3/PTR style firearm. The G3 alloy mags were made for the German Army and are no longer in production. Once they are gone, they are gone for good. LAST CALL! Compatible...
    HKP-21840
    $12.95
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    $12.95
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  • New - HKP Roller +5 - New - 8.05mm - HKP-19440 Bolt Head Locking Roller +5 - 8.05mm - New
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    Bolt Head Locking Roller +5 - 8.05mm - New

    HKP HK Parts

    $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...
    HKP-19440
    $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

    $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...
    HKP-19583
    $449.95
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  • Out Of Stock
    New - Magpul M-LOK MVG Vertical Grip - HKP-17321 M-LOK Vertical Foregrip - MVG

    M-LOK Vertical Foregrip - MVG

    Magpul

    $22.95
    M-LOK MVG® VERTICAL GRIP M-LOK SLOT SYSTEM The Magpul MVG M-LOK Vertical Grip is a high-quality M-LOK foregrip that attaches securely to M-LOK compatible handguards. It is made of durable polymer and provides a comfortable and secure grip for...
    HKP-17321
    $22.95
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    $22.95
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  • 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

    $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...
    HKP-16207
    $7.95
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  • New - Ergo G3, 91, PTR Tactical Grip For Metal Grip Frames - HKP-14092 HK91, G3 Tactical Grip for Metal Grip Frames
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    HK91, G3 Tactical Grip for Metal Grip Frames

    Ergo

    $59.95
    Ergo G3, 91, PTR Tactical Grip For Metal Grip Frames The ergonomically enhanced ERGO Tactical Deluxe Grips are compatible with all metal HK grip frames, both the semi-auto & full auto metal grip frames. Compatible With: HK 91, G3, PTR, CETME, 93,...
    HKP-14092
    $59.95
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  • 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

    $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.
    HKP-17760
    $3.74
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  • 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

    $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...
    HKP-20686
    $1.98
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    $1.98
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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...
    HKP-16583
    $124.95
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  • Used - H&K Grip Screw & Washer - HKP-16335 HK MP5, SP89, HK91, G3, HK93, HK94, SP5K Grip Screw and Washer
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    HK MP5, SP89, HK91, G3, HK93, HK94, SP5K Grip Screw and Washer

    H&K Heckler & Koch

    $1.49
    H&K Grip Screw & Washer This is a surplus factory HK German part that is now out of production. Great to have as a spare and the cheapest price on the planet. Compatible With: G3 HK91 HK93 HK94 SP89 Other HK metal framed lowers with plastic...
    HKP-16335
    $1.49
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    $1.49
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  • New - HKP Picatinny Rail For HK Receivers - 15 Slot - HKP-18241 HK Picatinny Rail For HK Receivers - 15 Slot
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    HK Picatinny Rail For HK Receivers - 15 Slot

    HKP HK Parts

    $59.95
    HKP Picatinny Rail For HK Receivers - 15 Slot Mil-Spec all steel CNC'ed picatinny rail in the white, relief cut to fit flush and low profile on HK receivers. The most solid and consistent mounting platform made for mounting scopes and optics to HK builds...
    HKP-18241
    $59.95
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