This Sightmark battery pack will fit any Picatinny rail" and it will power your optics – giving you more time at the range" or in the bush" and less time sitting next to a wall outlet. This battery pack will fit any device with a Universal USB-C" and it weighs a mere 5.4 ounces" to avoid overloading your firearm. Featuring a battery-charging indicator" and made of durable" flame-retardant ABS" this battery pack is an excellent addition to any shooting system.