Forster Products Headspace Gage 223 Rem GO/5.56 NATO Min Outdoor Included is a clip that

Included is a clip that holds up to 5 pellets firing them up to 600 FPS

85 (30 x 23mm) - Front Window Material: 1/8 solid glass - Rear Window Material: Shatter resistant laminate (3/16 thick) - Field of View (100 yds): 30 yds (28m) at a 4 eye relief - Electrical - Brightness Adjustment Range: 110000:1 brightest to lowest - No Night Vision Compatibility - Power Source: 2x 1

- Shoots alloy pellets at 1250 fps - Comes with a 4x32mm scope - All weather molded synthetic stock - Monte Carlo cheek pad - Break barrel spring-powered system

- Greatly reduces friction between mating surfaces

- Compatible with most AR-10/LR-308 models as well

Forster Products Headspace Gage 223 Rem GO/5.56 NATO Min Outdoor Included is a clip thatEvery gunsmith knows that proper use of a headspace gage is the most reliable way to test the length of a rifle chamber. "Headspace" is the distance between the face of the breech and the base of the cartridge when the action is closed and excessive headspace can be dangerous as well as impair accuracy. For instance unsupported brass fired in a rifle action with excessive headspace can rupture allowing gas to blow rearward like a rocket exhaust.