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 - MKE 90 Series Sear & Trigger Axle - HKP-22233 MKE 90 Series Sear & Trigger Axle MKE HKP-22233
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    HK90 Series Trigger and Catch Axle - USA

    MKE

    $1.99
    HK Sear and Trigger Axle For 90 Series - SURPLUS MKE sear and trigger axle for the 90 series style trigger packs. Each axle pin (aka pivot pin) measures .197 inches (5.0mm). Each HK trigger pack uses a total of 2 of these axle pins per trigger pack...
    HKP-22233
    $1.99
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    $1.99
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  • Used - H&K G3/91/93/53/33 Anti-Rattle Mag Release - USED - HKP-22061 HK91, G3, HK91, HK33, HK53, HK93 Paddle Mag Release - Anti-Rattle - USED
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    HK91, G3, HK91, HK33, HK53, HK93 Paddle Mag Release - Anti-Rattle - USED

    H&K Heckler & Koch

    $42.95
    H&K G3/91/93/53/33 Anti-Rattle Mag Release - USED This is a used German anti-rattle paddle mag release for installation on all H&K .223 and .308 rifles. Compatible With: HK G3/91 HK 51 HK 93/53/33 HK PSG-1 HK MSG-90 PTR91 Clones and other custom...
    HKP-22061
    $42.95
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    $42.95
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  • New - H&K VTAC-MK2 Sling - Coyote Tan - HKP-22008 HK VTAC-MK2 Sling - Coyote Tan
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    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
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    $62.95
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  • On Sale
    New - HKP Incomplete Ambidextrous Selector Axle - Gunsmith Special - HKP-99135 HK Incomplete Ambidextrous Selector Axle - Gunsmith Special
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    HK Incomplete Ambidextrous Selector Axle - Gunsmith Special

    HKP HK Parts

    Now: $6.95
    Was: $14.95
    HKP Incomplete Ambidextrous Selector Axle - Gunsmith Special U.S.-made selector lever. Incomplete part for ambidextrous setups. Please Note: Will require work before being functional. HKP recommends the work be performed by a professional gunsmith...
    HKP-99135
    Now: $6.95
    Was: $14.95
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    Now: $6.95
    Was: $14.95
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  • New - B&T HK G3 Side Rail - Short - HKP-21775 HK91, G3, MP7, G36 Side Rail - Short
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    HK91, G3, MP7, G36 Side Rail - Short

    B&T Brugger & Thomet

    $42.00
    B&T HK G3/HK91, G36, MP7 Side Rail - Short Swiss made B&T short side rail for the B&T quad rail handguard. Compatible With B&T Handguards For: HK91/G3 G36 MP7
    HKP-21775
    $42.00
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    $42.00
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  • New - H&K Full Auto Trigger Box - SEF - MP5/94/G3/91/93/53/33 - HKP-02178
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    HK MP5, HK94, G3, HK91, HK3, HK53, HK93 Trigger Housing - Full Auto SEF

    H&K Heckler & Koch

    $299.95
    H&K Full Auto Trigger Box - SEF - MP5/94/G3/91/93/53/33 This genuine HK trigger box can house either the full auto SEF trigger pack internals or be converted to the semi-auto configuration. Not for use with ambidextrous trigger packs, selectors, or...
    HKP-02178
    $299.95
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    $299.95
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  • On Sale
    HK G3,91,PTR, 93,33 & MP5, 94 Hammer Strut - USED H&K Heckler & Koch HKP-15445-USED HK G3,91,PTR, 93,33 & MP5, 94 Hammer Strut - USED H&K Heckler & Koch HKP-15445-USED
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    HK MP5, HK90 Series Hammer Strut - USED

    H&K Heckler & Koch

    Now: $5.21
    Was: $9.95
    HK MP5, G3, 91, PTR, 93, 33, HK94 Hammer Strut - USED   SOLD INDIVIDUALLY   USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK German Hammer Strut for 90 series rifles and pistols. A perfect...
    HKP-15445-USED
    Now: $5.21
    Was: $9.95
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    Now: $5.21
    Was: $9.95
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  • On Sale
    HK91, G3 Bolt Locking Lever Set - USED
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    HK91, G3 Bolt Locking Lever Set - USED

    H&K Heckler & Koch

    Now: $19.22
    Was: $24.95
    HK91, G3 Bolt Locking Lever Set - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This is the bolt carrier locking lever set that retains the bolt head to the carrier...
    HKP-02683-USED
    Now: $19.22
    Was: $24.95
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    Now: $19.22
    Was: $24.95
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  • Rail Panel Cover -  M-LOK - 6 Slot Rail Panel Cover -  M-LOK - 6 Slot
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    Rail Panel Cover - M-LOK - 6 Slot

    JMK

    $28.95
    JMK Rail Panel Cover - M-LOK - 6 Slot JMK M-LOK rail panels are compatible with platforms featuring 6 M-LOK slots. These modular panels are suited for numerous applications. Each panel is sold individually. M-LOK panels are CNC-machined from solid...
    HKP-22404-M
    $28.95
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    $28.95
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  • HK G3 Stock Cut Off Section - OD Green FMP HK CONTRACT HKP-22376 HK G3 Stock Cut Off Section - OD Green FMP HK CONTRACT HKP-22376
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    HK G3 Stock Cut Off Section - OD Green

    FMP HK CONTRACT

    $2.45
    HK G3 Stock Cut Off Section - OD Green De-milled G3 stock section. Manufactured by FMP on HK tooling. Compatible With: HK G3, HK91 In-spec. clones and custom builds
    HKP-22376
    $2.45
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    $2.45
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  • On Sale
    New - MKE -4 Roller for Bolt Head 7.96mm - Under-sized - HKP-22238 MKE -4 Roller for Bolt Head 7.96mm - Under-sized MKE HKP-22238
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    HK 90 Series Locking Roller for Bolt Head - 7.96mm

    MKE

    Now: $22.95
    Was: $28.95
    MKE -4 Roller for Bolt Head 7.96mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. Made in Turkey by MKE on HK tooling.  Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the...
    HKP-22238
    Now: $22.95
    Was: $28.95
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    Now: $22.95
    Was: $28.95
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  • Used - H&K G3 SEF Steel Lower Housing - Push Pin - SURPLUS - HKP-22159 HK G3 Lower Housing - SEF - Steel - Push Pin - SURPLUS
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    HK G3 Lower Housing - SEF - Steel - Push Pin - SURPLUS

    H&K Heckler & Koch

    $49.95
    H&K G3 SEF Steel Lower Housing - Push Pin - SURPLUS Priced for ONE Housing Unit- Condition Varies by Unit - Sold Individually UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Used German-made SEF steel lower housing for the G3...
    HKP-22159
    $49.95
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    $49.95
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