Diamondback DB15 Features Diamondback Firearms is proud to announce its NEW line of DB15 rifles made entirely in the USA. The AR15 rifle platform starts 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. From the modified Diamondback aluminum four-rail handguard to a variety of color sight and stock options the Diamondback DB15 represents value and versatility all at a very affordable price. Compatible with most AR15 accessories the DB15 is a versatile rifle system This Diamondback DB15 rifle features a carbine-length medium 4150 ChromeMoly barrel mid-length gas system with pinned gas block and a shot-peened Mil-Spec 8620 bolt carrier. It utilizes 7075-T6 aluminum receivers 15 M-Lok anti-rotation handguard Magpul MOE-K2+ grip and a Magpul ACS-L stock. Diamondback DB15 Specifications Caliber: 223 Rem 5.56 NATO Model: DB15 Stock Finish: Black Action: Semi-Auto Sights: None Optic Ready Capacity: 30+1 Muzzle: Muzzle Brake Grips: Black Magpul MOE-K2+ Hand: Right Handguards: 15 M-LOK Overall Length: 34-37.25 Receiver Finish: Black Receiver Material: 7075 T6 Aluminum Stock Description: Adjustable Magpul ACS-L Stock Finish Group: Black Stock Material: Synthetic Thread Pattern: 1 / 2-28 tpi Trigger: Single-Stage Twist: 1:8 Weight: 6.95 lbs Barrel Description: 4150 Chrome Moly Barrel Finish: Black Nitride Barrel Length: 16