TriStar Arms has invested years of development into scaling down the gas-operated Viper G2 Bronze semi-automatic shotgun to proper proportions for the .410-bore shotgun shell. The 28" blued steel barrel features a vented rib, a fiber-optic sight and a Beretta/Benelli Mobil Threads removable choke system. The shotgun arrives with three choke tubes (improved cylinder, modified, full), a choke box and a wrench. Its chamber and bore are chrome-lined for improved feeding and easy cleaning, and its lightweight receiver is treated with a bronze Cerakote finish. High-grade Turkish walnut stocks feature fine checkering, a semi-gloss finish and a rubber recoil pad. Other features include a five-round tubular magazine, E-Z Load magazine cut-off and a Quick Shot removable magazine plug. tristararms.com