HK91 / G3 / HK51 Small Parts

HK91 / G3 / HK51 Small Parts

Never be without the little things. Our selection includes every essential HK G3/91 small part, from pins and springs to detents and locking pieces.

 

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  • Used - H&K 91/G3 (7.62x51/.308) Complete F/A Bolt Group - Used - HKP-00356
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    HK91, G3 Bolt Group, Complete - Full Auto - Used

    H&K Heckler & Koch

    $259.95
    Heckler and Koch Factory German Full Auto Bolt Group - Complete Used for HK G3, HK91, and PTR Everything you need as a spare or a direct replacement of your existing bolt group. This bolt group is a direct replacement of all HK G3, HK91, SAR3/8, PTR-91,...
    HKP-00356
    $259.95
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  • New - HKP Elbow Spring Spacer For Semi-Auto - HKP-18210 HK MP5, HK90 Series Bushing Sleeve for Elbow Spring - Semi Auto
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    HK MP5, HK90 Series Bushing Sleeve for Elbow Spring - Semi Auto

    HKP HK Parts

    $8.95
    HK Parts Distance Sleeve replacement for your elbow spring in your Semi-Auto MP5  New USA manufacture. Semi auto spacer for elbow spring on the HK 90 series trigger packs. Micro polished and made from stainless steel. This is the finest semi auto...
    HKP-18210
    $8.95
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  • New - H&K Cocking Tube End Cap Spring - HKP-17980
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    HK MP5, HK90 Series Cocking Tube End Cap Spring

    H&K Heckler & Koch

    $4.95
    H&K Cocking Tube End Cap Spring Fits all German, Contract & US made cocking tube end caps. A great spare to have on hand as this part can become worn and be lost. The cocking tube end cap spring applies pressure to the cocking tube end cap/dust...
    HKP-17980
    $4.95
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    $4.95
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  • New - H&K 90 Series Burst Trigger Pack Compression Rod - HKP-01047
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    HK90 Series Compression Rod for Burst Trigger Packs

    H&K Heckler & Koch

    $29.95
    H&K 90 Series Burst Trigger Pack Compression Rod This is an HK German factory part that is found in all HK burst trigger packs. This part, along with the compression rod spring, is the number one most common wear or breakage parts in burst packs...
    HKP-01047
    $29.95
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  • New - H&K Trip Lever - Friction - HKP-02393 HK Trip Lever - Friction
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    HK Trip Lever - Friction

    H&K Heckler & Koch

    $24.95
    H&K Trip Lever - Friction This is the older friction-style trigger pack found on older HK trigger packs and all HK registered sear packs.
    HKP-02393
    $24.95
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  • On Sale
    HK MP5, 90 Series Locking Plate for Rollers HK MP5, 90 Series Locking Plate for Rollers
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    HK MP5, 90 Series Locking Plate for Rollers

    USA

    Now: $3.95
    Was: $8.95
    Special Weapons HK MP5, 90 Series Locking Plate for Rollers SOLD INDIVIDUALLY This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Compatible With: MP5,...
    HKP-99399
    Now: $3.95
    Was: $8.95
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  • Out Of Stock
    New - HKP Semi Auto Shelf, Hanger Block For Receiver - HKP-17572 HK Semi Auto Shelf, Hanger Block For Receiver

    HK Semi Auto Shelf, Hanger Block For Receiver

    HKP HK Parts

    $13.95
    HK Semi Auto Shelf Weldment, Hanger Block Weldment 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...
    HKP-17572
    $13.95
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  • New - H&K (5.56/.223) & (7.62x51/.308) Contact Piece For Paddle Mag Release - HKP-00465 HK91, G3, HK33, HK53, HK93 Paddle Mag Release Contact Piece
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    HK91, G3, HK33, HK53, HK93 Paddle Mag Release Contact Piece

    H&K Heckler & Koch

    $29.95
    Heckler and Koch Contact Piece for Paddle Magazine Release 5.56 / .223 and 7.62x51 / .308 German HK manufacture. The contact piece is used in the magazine release assembly for the paddle mag release. Compatible With: HK33, HK53, HK93 HK91, G3, PTR91
    HKP-00465
    $29.95
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  • Used - H&K 91/G3 (7.62x51/.308) Firing Pin Spring - Used - HKP-16711
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    HK91, G3 Firing Pin Spring - Used

    H&K Heckler & Koch

    $4.95
    H&K 91/G3 (7.62x51/.308) Firing Pin Spring - Used This is a common repair and replacement item. Grab one for a spare, just in case.
    HKP-16711
    $4.95
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  • New - MM Registered Sear Pack - Re-Timed Hammer - HKP-00153 HK MP5, HK90 Series Re-Timed Hammer - SEF, Navy
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    HK MP5, HK90 Series Re-Timed Hammer - SEF, Navy

    Michaels Machines

    $168.95
    MM Registered Sear Pack - Re-Timed Hammer - USA This part is the necessary addition for all registered sear conversions in 9mm, 40/10, 223, and.308 trigger packs. Protect your valuable investment by using the proper re-timed hammer for your sear pack...
    HKP-00153
    $168.95
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  • On Sale
    New - MKE HK 93/53/33 Push Pin Spring - HKP-22228 MKE Push Pin Spring MKE HKP-22228
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    HK33, HK53, HK93 Push Pin Spring

    MKE

    Now: $2.19
    Was: $3.95
    MKE HK33, HK53, HK33 Push Pin Spring A must have replacement spring to have on hand. A quick and easy install spring to get your push pins back to working condition. A great replacement for those worn out springs that come loose while in action...
    HKP-22228
    Now: $2.19
    Was: $3.95
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  • On Sale
    New - MKE HK MP5 Elbow Spring for Trigger - HKP-22225 MKE HK MP5 Elbow Spring for Trigger MKE HKP-22225
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    HK MP5, HK90 Series Trigger Spring - SEF, Navy

    MKE

    Now: $2.45
    Was: $8.95
    MKE SEF & Navy 3 Position Trigger Spring The MKE trigger spring is an essential upgrade for anyone dealing with worn or broken trigger return springs in surplus trigger packs or as spares for all 90 series owners. These springs are fully compatible...
    HKP-22225
    Now: $2.45
    Was: $8.95
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