HK91 / G3 / HK51 Sights / Optics / Mounts

HK91 / G3 / HK51 Sights / Optics / Mounts

Maximize your G3/91's accuracy potential. Find classic HK diopter sights, scope mounts, rail adapters, and premium optics from leading brands.

 

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  • New - H&K Front Sight Blade - HKP-00370
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    HK Front Sight Blade

    H&K Heckler & Koch

    $11.95
    H&K Front Sight Blade New Factory HK manufactured. This is compatible with all HK front sight towers & triple frames. 
    HKP-00370
    $11.95
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  • On Sale
    New - MFI Picatinny Rail Riser For Scope - HKP-00899 HK MP5 SP5K, SP89, G3, HK91, HK33, HK53, HK93 Rail Riser - Picatinny
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    HK MP5 SP5K, SP89, G3, HK91, HK33, HK53, HK93 Rail Riser - Picatinny

    MFI

    Now: $29.95
    Was: $44.95
    MFI Picatinny Rail Riser For Scope MFI Picatinny rail riser to elevate your optic by 18.8mm (.740"). This see-through riser allows a full view through the factory iron sights. This unit is similar to the A.R.M.S. #5 base scope mount and STANAG to...
    HKP-00899
    Now: $29.95
    Was: $44.95
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  • New - H&K Screwdriver for Adjustable Rear Sight - HKP-21981 HK Screwdriver for Adjustable Rear Sight
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    HK Screwdriver for Adjustable Rear Sight

    H&K Heckler & Koch

    $9.95
    Screwdriver for Adjustable Rear Sight Precision screwdriver designed for adjusting rear sights. Ideal for fine-tuning windage and elevation.    
    HKP-21981
    $9.95
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  • New - HKP Picatinny Rail Mount for Front Sight Tower - Red - HKP-20800 Picatinny Optic Mount, Front Sight Tower - Red
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    Picatinny Optic Mount, Front Sight Tower - Red

    $39.95
    HKP Picatinny Rail Mount for Front Sight Tower - Red HK Picatinny rail mount that replaces the forearm (small) push pin and mounts to the side of the front sight tower and allows you to add sling swivels, lasers, lights & accessories. This add on is...
    HKP-20800
    $39.95
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  • New - H&K 91/G3 (7.62x51/.308) Rear Sight - HKP-00361 HK91, G3 Rear Sight
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    HK91, G3 Rear Sight

    H&K Heckler & Koch

    $28.95
    HK German Factory Rear Sight Assembly With Drum Assembly - New Each rear sight is a brand new, old stock genuine Heckler & Koch rear sight. Comes as shown. Mounting hardware is offered separately. Now out of production, it's rare and hard to find in...
    HKP-00361
    $28.95
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  • On Sale
    New - MKE HK MP5 Rear Sights Locking Washer - HKP-22240
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    HK MP5 Rear Sights Locking Washer

    MKE

    Now: $1.95
    Was: $2.45
    MKE HK MP5 Rear Sights Locking Washer Secures the rear sight assembly on MKE and HK MP5 models to maintain proper alignment. Compatible With: Century Arms AP5 HK MP5/MP5K HK SP5/SP5K Will work with all 90 series firearms
    HKP-22240
    Now: $1.95
    Was: $2.45
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    Now: $1.95
    Was: $2.45
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  • Used - Fero Z51 Claw Mount Adapter - HKP-19532 Fero Z51 Claw Mount Adapter
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    Fero Z51 Claw Mount Adapter

    $9.95
    Claw Mount Adapter - German - Surplus - Z51
    HKP-19532
    $9.95
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  • Used - H&K G3/91 Front Sight Tower - SURPLUS - HKP-22158 HK91, G3 Front Sight Tower - SURPLUS
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    HK91, G3 Front Sight Tower - SURPLUS

    H&K Heckler & Koch

    $16.95
    H&K G3/91 Front Sight Tower - SURPLUS UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Used genuine H&K steel front sight tower for the G3 & HK91. Provides the front sight post assembly for target acquisition and secures the...
    HKP-22158
    $16.95
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  • On Sale
    New - Ergo Harris Bipod Mount - KeyMod Handguard - HKP-17874
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    Harris Bipod Mount - KeyMod Handguard

    Ergo

    Now: $9.95
    Was: $38.95
    Ergo Harris Bipod Mount - KeyMod Handguard   Features: KeyMod Bipod Mount Black anodized 6061-T6 Alum. Compatible With: Harris-style bipods
    HKP-17874
    Now: $9.95
    Was: $38.95
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    Was: $38.95
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  • New - H&K HK G3 Front Sight Ring - HKP-21641
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    HK G3 Front Sight Ring

    H&K Heckler & Koch

    $7.95
    H&K HK G3 Front Sight Ring Factory HK replacement front sight ring. Compatible With: HK G3
    HKP-21641
    $7.95
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  • Out Of Stock
    New - H&K 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) 1200 Meter Rear Sight - 3rd Generation - HKP-00561 HK33, HK53, HK93, HK91, G3 1200 Meter Rear Sight - 3rd Generation

    HK33, HK53, HK93, HK91, G3 1200 Meter Rear Sight - 3rd Generation

    H&K Heckler & Koch

    $0.00
    HK German 3rd Gen 1200 Meter Rear Sight. New HK German Manufacture. No longer in production
    HKP-00561
    $0.00
    Out Of Stock
    Qty in Cart: 0
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    $0.00
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  • Out Of Stock
    New - HKP Front Sight HK Tower, Triple Frame Install & Removal Fixture Jig - HKP-17586 Front Sight Tower, Triple Frame Fixture Jig - Installation and Removal

    Front Sight Tower, Triple Frame Fixture Jig - Installation and Removal

    HKP HK Parts

    $69.95
    HKP Front Sight HK Tower, Triple Frame Installation & Removal Fixture Jig The original one and only triple frame removal and install fixture. The perfect jig for the installation and removal of triple frames and front sight towers found in all HK 90...
    HKP-17586
    $69.95
    Out Of Stock
    Qty in Cart: 0
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    $69.95
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