Colt Firearms M4 FPB 5.56 16.1 Barrel 30-Rounds

Colt Firearms M4 FPB Features The Colt Firearms M4 FPB (Federal Property Battlefield) is a variant of the M4 carbine that is designed to meet military specifications. It is chambered in 5.56 NATO and features a 16.1-inch barrel with a 1:7 twist rate making it ideal for stabilizing heavier bullets. The rifle also has a removable carry handle and a Picatinny rail for mounting optics. The M4 FPB has a 6-position collapsible stock and a standard A2 pistol grip for improved ergonomics. The rifle also features a birdcage flash hider and a low-profile gas block. It has a 30-round magazine capacity and weighs in at approximately 6.9 pounds. Colt Firearms M4 FPB Specifications Brand: Colt Model: M4 FPB Caliber: 5.56 x 45MM Capacity: 30+1 Upper Rec. Material: 7075-T6 Aluminum Upper Rec. Finish: Black Hardcoat Anodized Barrel Material: 4150 CMV Barrel Technical: 1:7RH 6 Groove Chrome Lined Barrel Length: 16.1 Overall Length: 32.5-36 (82.5-91.5cm) Unloaded Weight: 7.3 lbs. (3.3kg) Safeties: Reversible Safety Selector Lower Rec. Material: 7075-T6 Aluminum Lower Rec. Finish: Black Hardcoat Anodized Front Sight: Magpul Mbus PRO Steel Backup Rear Sight: Magpul Mbus Pro LR Adjustable Fire Mode: Semi-Auto Trigger Type: Single Stage Rail: Geissele 13 MK4 Free-Float Rail Grip: Government A2 Grip Stock: Magpul CTR 4-Position Stock Operating System: Direct Gas Impingement