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 - H&K German Hammer Spring (5.56/.223 & 7.62x51/.308) - Used - HKP-18066
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    Trigger Pack Hammer Spring - 5.56 / .223, 7.62x51 / .308 - Used

    H&K Heckler & Koch

    $4.95
    HK German Rifle Hammer Spring For All .308 & .223 Semi & Full Auto Trigger Packs The rifle 308/5.56 hammer spring is a popular upgrade in 9mm builds experiencing light primer hits. This is the factory correct 25 lb. weight for positive detonation...
    HKP-18066
    $4.95
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    $4.95
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  • New - HKP SEF Short Axle Selector Lever For Metal Trigger Housings Only - HKP-17910 HK SEF Short Axle Selector Lever For Metal Trigger Housings Only
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    HK SEF Short Axle Selector Lever For Metal Trigger Housings Only

    HKP HK Parts

    $19.95
    HKP SEF Short Axle Selector Lever For Metal Trigger Housings Only HK German steel SEF selector lever.  Please note that the polymer (plastic) style SEF housing uses the longer axle SEF selector lever not this product offering. Brand new factory...
    HKP-17910
    $19.95
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  • New - MM Fixed Stock Heavy Rubber Buttpad - HKP-00914 HK91, HK21, HK93 Fixed Stock Heavy Rubber Buttpad - MM
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    HK91, HK21, HK93 Fixed Stock Heavy Rubber Buttpad - MM

    Michaels Machines

    $79.95
    MM Fixed Stock Heavy Rubber Buttpad   Reduce the felt recoil transferred to your shoulder with the Michael's Machines heavy rubber buttstock pad.  Perfect replacement for old, hard original buttstock pads.  US made and backed by a lifetime...
    HKP-00914
    $79.95
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  • New - MKE AP5 3-Point Sling - Complete - HKP-21187 Century Arms AP5 3-Point Sling - Complete
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    Century Arms AP5 3-Point Sling - Complete

    MKE

    $34.99
    MKE AP5 3 Point Sling - Complete This is a Factory OEM Sling included with the AP5. Can be utilized on any HK 90 series of firearms.  Compatible With: Century Arms AP5 HK MP5 & SP5 HK MP5K & SP5K HK94
    HKP-21187
    $34.99
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  • New - HKP Rifle Rubber Buttpad For Wooden Stocks - Enhanced - HKP-17667 HK91, G3, HK33, HK53, HK93 Wood Stock Buttpad - Rubber - Enhanced
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    HK91, G3, HK33, HK53, HK93 Wood Stock Buttpad - Rubber - Enhanced

    HKP HK Parts

    $29.95
    Butt Pad For Wooden Stocks - Enhanced Rubberized Buttpad The enhanced rubberized butt pad is a direct replacement to a standard fixed stock butt pad that can be replaced and upgraded in seconds. This buttpad provides a softer rubberized surface for...
    HKP-17667
    $29.95
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  • New - H&K 91/G3 (7.62x51/.308) Bolt Locking Lever Set - HKP-02683
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    HK91, G3 Bolt Locking Lever Set

    H&K Heckler & Koch

    $24.95
    HK91, G3, & PTR-91 .308 HK Bolt Carrier Bolt Locking Lever Set This is the bolt carrier locking lever set that retains the bolt head to the carrier. Each Locking Lever Set Includes: 7.62 locking lever Locking lever axle...
    HKP-02683
    $24.95
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    $24.95
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  • New - H&K 33/91/93/53/G3 (5.56/.223) & (7.62x51/.308) Recoil Rod Stop Pin - HKP-01157
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    HK33, HK91, G3 Recoil Rod Stop Pin

    H&K Heckler & Koch

    $9.95
    G3, 91, PTR, 93, & 33 Recoil Rod End Cap New HK German recoil rod end cap or stop pin for HK factory recoil rods. This item retains the recoil spring on the recoil rod assembly. A great spare and wear and replacement part. Compatible With: HK G3, 91...
    HKP-01157
    $9.95
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    $9.95
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  • Used - H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Used Excellent - HKP-18497 HK91, G3 A2 Fixed Buttstock - Jungle Green - Used Excellent
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    HK91, G3 A2 Fixed Buttstock - Jungle Green - Used Excellent

    H&K Heckler & Koch

    $36.95
    HK Heckler and Koch Fixed Stock in Jungle Green - Used Excellent for HK91, G3 7.62x51/.308 Handpicked best condition available. Comes with matching buttpad. Ready to install on your HK or clone rifle. Used in perfect working condition. Each buttstock...
    HKP-18497
    $36.95
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  • New - H&K Elbow Spring Spacer For Full-Auto - HKP-03330 HK MP5SF Elbow Spring Bushing Sleeve
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    HK MP5SF Elbow Spring Bushing Sleeve

    H&K Heckler & Koch

    $5.95
    Heckler and Koch replacement distance sleeve for MP5SF elbow spring with roller  Features: Precision-machined elbow spring and roller used in traditional roller-delayed trigger packs. Original HK design ensures perfect trigger geometry, smooth...
    HKP-03330
    $5.95
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  • New - HKP HK91, G3, PTR91 2 Point Leather Sling - Dark Brown - HKP-20271 HK91, G3, PTR91 2 Point Leather Sling - Dark Brown
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    HK91, G3, PTR91 2 Point Leather Sling - Dark Brown

    HKP HK Parts

    $49.95
    2 Point Leather Sling - Dark Brown These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German artisan and made in the USA. Made from quality USA...
    HKP-20271
    $49.95
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  • New - HKP HK G3,91,PTR, 93,33 & MP5, 94 Pinned Hammer Strut - HKP-20315 HK MP5, HK90 Series Pinned Hammer Strut
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    HK MP5, HK90 Series Pinned Hammer Strut

    HKP HK Parts

    $13.95
    HKP HK G3,91,PTR, 93,33 & MP5, 94 Pinned Hammer Strut New USA hammer strut for 90 series rifles and pistols. A perfect spare to have on hand. This is a pinned hammer spring shank. Perfect for your HK project or rebuild. Compatible With: HK trigger...
    HKP-20315
    $13.95
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    $13.95
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  • New - HKP 90 Series Hammer For Trigger Pack - HKP-00377 HK MP5, HK90 Series Trigger Pack Hammer - Universal
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    HK MP5, HK90 Series Trigger Pack Hammer - Universal

    HKP HK Parts

    $96.95
    HKP HK Parts Hammer for HK90 Series Trigger Pack This US-made hammer is all steel billet, machined, and counts as one US 922r compliant part for your HK clone build. This US-made hammer can be used on all HK SEF, Navy, or 0, 1 style trigger packs in 9mm,...
    HKP-00377
    $96.95
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    $96.95
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