![Bushmaster .223: William Spengler Jr. reportedly used same type of gun as Adam Lanza, James Holmes, Jacob Tyler Roberts. Bushmaster .223: William Spengler Jr. reportedly used same type of gun as Adam Lanza, James Holmes, Jacob Tyler Roberts.](https://compote.slate.com/images/0c2835ba-2a48-4347-a789-4327bcec83b1.jpg)
Bushmaster .223: William Spengler Jr. reportedly used same type of gun as Adam Lanza, James Holmes, Jacob Tyler Roberts.
![Bushmaster M4 Patrolman's 223 Remington/5.56 NATO AR15 Semi Auto Rifle | 90831 | Blue/Black, 16" Barrel, 30 Rounds, Synthetic, 3-position adjustable Stock - Buds Gun Shop Bushmaster M4 Patrolman's 223 Remington/5.56 NATO AR15 Semi Auto Rifle | 90831 | Blue/Black, 16" Barrel, 30 Rounds, Synthetic, 3-position adjustable Stock - Buds Gun Shop](http://www.budsgunshop.com/images/hiRes/138478_2.jpg?v=2)
Bushmaster M4 Patrolman's 223 Remington/5.56 NATO AR15 Semi Auto Rifle | 90831 | Blue/Black, 16" Barrel, 30 Rounds, Synthetic, 3-position adjustable Stock - Buds Gun Shop
![Buy Bushmaster QRC Quick Response Carbine AR-15 5.56/223 16" Barrel No Optic 30rd Mag online - Taurus Firearms Buy Bushmaster QRC Quick Response Carbine AR-15 5.56/223 16" Barrel No Optic 30rd Mag online - Taurus Firearms](https://www.taurus-firearms.com/wp-content/uploads/2022/12/604206910486__23207.1575352893.jpg)