Diamondback DB9 Midnight Bronze Features The DB9 is built for performance and versatility. It incorporates a chromoly steel barrel with a 1:9.50 twist rate for optimal bullet stability. The rifle s handguards are a 15 M-LOK providing ample space for attachments. The safety is a manual thumb type ensuring secure handling. Additionally the rifle features a Diamondback Carbon Lower receiver and a 7075-T6 Aluminum receiver material. The grips are black Magpul K2 and it includes a thread pattern of 5/8-24 tpi. The stock is an adjustable Magpul CTR providing comfort and adaptability. Diamondback DB9 Midnight Bronze Specifications Brand: Diamondback Category: Tactical Rifles Model: DB9 Caliber: 9mm Luger Gun Platform: AR-Style Operating System: Direct Impingement Stock Finish Group: Black Capacity: 32+1 Stock Material: Synthetic Action: Semi-Auto Overall Length (OAL): 32.75- 36 Hand: Right Hand Sights: Optic Ready Barrel Finish: Black Nitride Muzzle: Flash Hider Twist Rate: 1:9.50 Receiver Description: Diamondback Carbon Lower Magazine Type: AR-15 Grips: Black Magpul K2 Handguards: 15 M-LOK Receiver Material: 7075-T6 Aluminum Safety: Manual Thumb Thread Pattern: 5 / 8-24 tpi Stock Description: Adjustable Magpul CTR Barrel Description: Chromoly Steel Barrel Length: 16 Maximum Capacity: 32 Receiver Finish: Midnight Bronze Cerakote Weight: 6.80 lbs Stock Finish: Black