Tactical Front and Rear Folding Battle sight M4 Style TRS-1-BK Metal Troy Front and Rear Folding Battle sights 27-0005 <br />Model: Troy Sights <br />Material:Metal Iron <br />Weight: 105g <br />Color: Black，Tan <br />O-shape of rear <br />Due to shipping Regulations: ALL Lithium s Will Be Prior To Shipping <br />Batterie <br />Remvoed <br />1 x Front + Rear Back-up Sight