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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  • New - Semi Auto Shelf For Receiver - Billeted - HKP-01521
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    Receiver Shelf - Semi Auto - Billeted

    $19.95
    Semi Auto Shelf for Receiver - Billeted HK Semi Auto Shelf milled from one solid billet to HK's factory specifications (no castings here). This is the needed receiver shelf that is welded to the receiver to allow the use of the clipped & pinned...
    HKP-01521
    $19.95
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  • New - HK Recoil Rod Guide Ring For Recoil Rod Assemblies - HKP-00143 HK Recoil Rod Guide Ring For Recoil Rod Assemblies
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    HK Recoil Rod Guide Ring For Recoil Rod Assemblies

    H&K Heckler & Koch

    $7.99
    HK Recoil Rod Guide Ring For Recoil Rod Assemblies This item is a high-wear item & is great to have as a spare part. Compatible With: HK MP5 HK 94 HK MP5K HK 91 HK G3 HK 93 HK 33 HK 53 HK 21 (not E guns) Other HK 90 Series Rifles & Pistols.
    HKP-00143
    $7.99
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  • New - HKP HK 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) Bolt Carrier Assembly & Disassembly Tool - HKP-00785 HK33, HK53, HK93, HK91, G3 Bolt Carrier Tool - Assembly and Disassembly
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    HK33, HK53, HK93, HK91, G3 Bolt Carrier Tool - Assembly and Disassembly

    HKP HK Parts

    $19.87
    HK Bolt Carrier Assembly & Disassembly Tool This tool is one of the best items you can buy if you are new to HK and plan on taking apart your bolt group for cleaning or maintenance. A must-have for all HK collectors and shooters. This is the original...
    HKP-00785
    $19.87
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  • New - HKP Cocking Tube End Cap-Steel - HKP-17580 HK90 Series Cocking Tube End Cap - Steel
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    HK90 Series Cocking Tube End Cap - Steel

    HKP HK Parts

    $19.95
    Cocking Tube End Cap - Steel - US Made Manufactured from solid billet steel and finished in black in a nitride finish. Compatible With: All 90 series HK firearms and clones that use a triple frame/sight tower
    HKP-17580
    $19.95
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  • Used - H&K 91/G3 (7.62x51/.308) Wood Stock - Surplus - HKP-02554 HK91, G3 Wood Stock - Surplus
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    HK91, G3 Wood Stock - Surplus

    H&K Heckler & Koch

    $119.95
    HK German G3, 91, & PTR Wood Stock Complete - USED These stock sets were in use with the German military and are used in varying degrees of condition, ranging from good to very good shape overall. These are rare and are getting harder to...
    HKP-02554
    $119.95
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  • New - H&K Magazine Catch, Push Button Roll Pin - HKP-01918
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    HK Magazine Catch Push Button Roll Pin

    H&K Heckler & Koch

    $4.95
    H&K Magazine Catch, Push Button Roll Pin New HK German-made. The mag catch roll pin is used to attach the magazine catch to the mag release button. Compatible With: HK G3, 91, PTR HK MP5, 94, SP5 HK 93, 33, 53 HK SP89, MP5K,...
    HKP-01918
    $4.95
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  • New - HKP Semi Auto Shelf for Receiver - Billeted - HKP-21470 HK Semi Auto Shelf for Receiver - Billeted
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    HK Semi Auto Shelf for Receiver - Billeted

    HKP HK Parts

    $17.95
    HKP Semi Auto Shelf for Receiver - Billeted HK Semi Auto Shelf, Hanger Block to HK's factory specifications for c/p trigger housings. Weld on shelf that is the needed receiver block that welds to the rearward portion of the magwell to allow the use of...
    HKP-21470
    $17.95
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  • On Sale
    New - MKE HK G3/91, AP51 20 Round Translucent Magazine - HKP-21898 HK91, G3, AP51 Magazine - 20 Round - Translucent
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    HK91, G3, AP51 Magazine - 20 Round - Translucent

    MKE

    Now: $20.76
    Was: $25.95
    MKE HK G3/91, AP51 20 Round Translucent Magazine Constructed from high-strength, lightweight polymer, this magazine offers exceptional durability while allowing for instant visual ammo checks thanks to its clear body design. Whether you're training, on...
    HKP-21898
    Now: $20.76
    Was: $25.95
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  • Out Of Stock
    New - H&K German Recoil Guide Rod Rivet - HKP-01026

    HK German Recoil Guide Rod Rivet

    H&K Heckler & Koch

    $9.95
    H&K German Recoil Guide Rod Rivet This rivet holds the stop pin and recoil spring captive and in place to the recoil rod itself. The price is per rivet. New old stock HK German rivet. Compatible With: G3, 91, 33, 93, & 53 MP5, 94 MP5K SP89 HK21...
    HKP-01026
    $9.95
    Out Of Stock
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  • New - HKP Roller +3 - New - 8.03mm - HKP-19425 HKP Roller +3 - New - 8.03mm
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    HKP Roller +3 - New - 8.03mm

    H&K Heckler & Koch

    $8.99
    Roller +3 - New - 8.03mm HK Parts Standard (8.03 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...
    HKP-19425
    $8.99
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  • Used - H&K SEF Long Axle Selector Lever - LIKE NEW - HKP-21338 HK SEF Long Axle Selector Lever - LIKE NEW
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    HK SEF Long Axle Selector Lever - LIKE NEW

    H&K Heckler & Koch

    $32.95
    H&K SEF Long Axle Selector Lever Like new - Polymer Housing Sorted to provide the best looking selector levers for your build. Some will have some signs of installation and usage but a overall a like new selector. If you have a polymer SEF housing...
    HKP-21338
    $32.95
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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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    $4.95
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