The Diamondback DB15 CCMLU300BFB 5.56 & 300 blackout Combo is made entirely in the USA! Starting with the tried-and-true, U.S. Military-proven gas-impingement system and using only the highest quality components machined in Diamondback’s CNC facility. The DB15 raises the bar when it comes to features and performance when compared to others. Diamondback DB15 represents value and versatility all at a very affordable price.
This combo comes assembled as a 5.56mm rifle, with an additional 300 blackout upper.