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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On Sale
HK33, HK91, G3 Complete Triple Frame Front Sight Tower
H&K Heckler & Koch
Now: $26.95Was: $29.95NEW HK German Front Sight Tower Triple Frame G3 triple frame in. Comes complete with sight blade and roll pin. Compatible With: HK G3 HK G3K HK 93 HK 33Now: $26.95Was: $29.95 -
On Sale
HK German Red Handled Rear Sight Adjustment Tool
H&K Heckler & Koch
Now: $97.19Was: $107.99H&K German Red Handled Rear Sight Adjustment Tool A must-have sight tool for all HK 90 series rifles, as well as the HK 416, MR556, and HK 417 rifles. Works to adjust any rear diopter-type HK sight for both elevation and windage. We also offer an...Now: $97.19Was: $107.99 -
On Sale
HK Front Sight Blade
H&K Heckler & Koch
Now: $10.75Was: $11.95H&K Front Sight Blade New Factory HK manufactured. This is compatible with all HK front sight towers & triple frames.Now: $10.75Was: $11.95 -
Out Of StockOn Sale
HK MP5, HK93, HK91, G3 Optic Mount - Claw Style - Refinished
H&K Heckler & Koch
Now: $269.95Was: $299.95H&K German Claw Mount - Refinished Genuine German HK manufactured refinished claw style scope mount. No longer in production. Grab yours while they last! Compatible With: HK MP5 HK 93 HK 91 HK G3 HK PSG-1 HK MSG-90 MAC-5 clones may require custom...Now: $269.95Was: $299.95 -
On Sale
Blitzkrieg PTR Spike Front Sight Gen 2 - Luminescent Green
Blitzkrieg Components
Now: $79.16Was: $87.95Blitzkrieg PTR Spike Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight brings a modernized approach to this classic sighting system. Designed with a distinctive spike-tipped post and a vibrant Tritium dot paired with a Lumi...Now: $79.16Was: $87.95 -
On Sale
HK MP5 Sight - Flat Front - Gen 2 - Orange
Blitzkrieg Components
Now: $76.45Was: $84.95Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight introduces a new level of precision and visibility. With a conventional flat-tipped post and a bright orange stripe, this sight ensures quick and clear target...Now: $76.45Was: $84.95 -
On Sale
HK Screwdriver for Adjustable Rear Sight
H&K Heckler & Koch
Now: $8.96Was: $9.95Screwdriver for Adjustable Rear Sight Precision screwdriver designed for adjusting rear sights. Ideal for fine-tuning windage and elevation.Now: $8.96Was: $9.95 -
On Sale
Blitzkrieg PTR Spike Front Sight Gen 2 - Orange
Blitzkrieg Components
Now: $76.45Was: $84.95Blitzkrieg PTR Spike Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 HK-style front sight introduces a modernized sighting system with enhanced precision and ease of use. Featuring a distinctive spike-tipped post and a bright Tritium dot with an orange...Now: $76.45Was: $84.95 -
On Sale
Picatinny Optic Mount, Front Sight Tower - Red
Now: $35.96Was: $39.95HKP 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...Now: $35.96Was: $39.95 -
On Sale
HK91, G3 Rear Sight
H&K Heckler & Koch
Now: $26.05Was: $28.95HK 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...Now: $26.05Was: $28.95 -
On Sale
HK MP5 SP5K, SP89, G3, HK91, HK33, HK53, HK93 Rail Riser for Optic Mount - Picatinny
MFI
Now: $29.95Was: $44.95MFI 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...Now: $29.95Was: $44.95 -
On Sale
PTR Flat Tip Front Sight - Gen 2 - Luminescent Green
Blitzkrieg Components
Now: $79.16Was: $87.95Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight offers an innovative approach to this classic sighting system. Featuring a conventional flat-tipped post and a striking Tritium dot with a Lumi Green...Now: $79.16Was: $87.95