MAKE: COLT

MODEL: SP1

CALIBER: .223 CAL / 5.56 MM 

BARREL LENGTH: 16"

UPGRADES: 

- TROY UPPER RECEIVER 

- SB PISTOL BRACE

- SUREFIRE WARCOMP 

https://www.thegunparlor.com/products/rifles-colt-sp103564-sp103564-3873