SIG Sauer 516 5.56mm AR-15 Rifle
The Sig Sauer 516 is 30-round standard M4 mag, variable gas piston system- available in 7, 10, 14.5 and 18" ...
Menu
Menu
The Sig Sauer 516 is 30-round standard M4 mag, variable gas piston system- available in 7, 10, 14.5 and 18" ...
