2100B Features: -Air rifle. -Finish: Blue. -Action: Pneumatic. -Sights: Adjustable rear. -Stock: Synthetic. -Barrel: Rifled steel. -Variable pump. -Reservoir holds 200 BBs. -Scope ready receiver. -Cross bolt safety. -Caliber: 0.177 Pellet/BB. -Pellet capacity: Single shot. -Barrel length: Steel. -Velocity: 725 Pellet/ 755 BB. -Made in USA. -Overall length: 39.75". -Overall dimensions: 2.25" H x 5.25" W x 39.5" D.