NightStar PR17A Ultra-Thin Shake Awake Side Load Reflex Red Dot Sight 1x17mm 3 MOA Dot Black. Featuring an ultra-thin 7.2mm rear profile side-loading CR1632 battery and Shake Awake technology the PR17A delivers fast target acquisition and everyday reliability. Whether mounted on a compact RMSc footprint pistol or paired with the included Picatinny mount for rifle use the PR17A offers exceptional versatility across multiple platforms. Specifications for NightStar PR17A Ultra-Thin Shake Awake Side Load 1x17mm Reflex Red Dot Sight: Manufacturer: NightStar Color: Black Fabric/Material: 6061 Aluminum Magnification: 1 x Objective Lens Diameter: 17 mm Reticle: 3 MOA Dot Illumination Type: LED Illumination Color: Red Brightness Settings: 10 Eye Relief: Unlimited Adjustment Type: MOA Adjustment Click Value: 1 MOA Water Resistance Level: IPX-7 Weight: 49 g Magnification Type: Fixed Red Dot Sights-Footprint: RMSc Mount Type: Picatinny Adjustment Range: 90 MOA Features of NightStar PR17A Ultra-Thin Shake Awake Side Load 1x17mm Reflex Red Dot Sight Ultra-Thin 7.2mm Rear Profile - Provides a lower-profile design for a more natural sight picture and comfortable carry. Side-Loading CR1632 Battery - Replace the battery without removing the optic helping maintain your zero while simplifying maintenance. Shake Awake Technology - Automatically activates when motion is detected and conserves battery life when not in use. RMSc Footprint Compatibility - Fits RMSc footprint compact pistols. Picatinny Rail Ready - Includes a Picatinny mount for rifle applications. IPX7 Waterproof - Built to perform in wet and demanding environments. 1500G Shockproof Engineered to withstand heavy recoil and harsh conditions. One Optic. Multiple Platforms. Package Contents: NightStar PR17A Ultra-Thin Shake Awake Side Load 1x17mm Reflex Red Dot Sight RMSc Mounting Hardware Picatinny Mount Adjustment Tool User Manual NightStar NS15241: PR17A Ultra-Thin Shake Awake Side Load Reflex Red Dot Sight 1x17mm 3 MOA Dot Black