Primary Arms AutoLive Battery Cap

Primary Arms SLx 1-8×24 FFP Primary Arms SLx 1-10×28 SFP Primary Arms SLx 1-6×24 SFP Gen III and IV Primary Arms SLx 1-6×24 FFP Sig Optics Tango6 MSR 1-6x24mm Vortex Strike Eagle 1-6 SFP Vortex Strike Eagle 1-8 SFP Features: Bring the power of AutoLive to your favorite optics! The AutoLive Battery Cap is compatible with many of the industry's most popular optics and brands, allowing you to improve their performance with motion-sensing illumination control. If your current optic has short battery life, or if you want ‘always-on' storage for home defense, the AutoLive Battery Cap is the perfect upgrade for you. Integrated AutoLive motion sensing technology Instantly turns on optic illumination when you pick up your firearm Low profile design Extends battery life