The proper battery with the proper voltage for all HK dual optic units.
Please note: Standard AA batteries WILL NOT work you need this specialized battery in order for the optic to work, operate properly.
Xeno Energy, Dual Optic Replacement Battery, Fits HK G36/SL8 Rifle
- Brand: Xeno Energy
- Product Code: HKP-00009
- Availability: In Stock
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$30.99 USD