ET Arms Omega-15 Semi-Automatic Rifle 5.56mm NATO 16" Barrel (1)-10Rd Magazine Synthetic Stock Black Finish
*CA Compliant Model* This model uses the Juggernaut Tactical's hell fighter kit. This prevents the magazine from being released while the upper and lower are married together for normal operation. 5.56x45 mm Caliber 16 inch Barrel with a 1:8 twist Polymer Carbon Fiber Infused Buffer Tube Polymer Carbon Fiber Infused Lower Reciever Polymer Upper with Metal Inserts Nano SAF-T-FIRST Trigger 15 inch M-LOK Rail 10rd Mag Flip-up Sights ATI SR-1 Stock 6.0 Lbs
Brand: ET Arms Inc
Category: Tactical Rifles
Model: Omega-15
Caliber: 5.56x45mm NATO
Barrel Length Range: 16" to 16.99"
Gun Platform: AR-15 Style
Operating System: Direct Impingement
Stock Finish Group: Black
Capacity: 10+1
Stock Material: Synthetic
Action: Semi-Auto
Hand: Right Hand
Sights: Flip Up Front & Rear
Barrel Finish: Black
Muzzle: A2 Flash Hider
Twist: 1:8"
Magazine Type: AR-15
Grips: Black A2
Handguards: 15" Free-Float M-LOK
Receiver Material: Polymer
Safety: Manual Thumb
Stock Description: ATI SR-1 Deluxe
Barrel Length: 16"
Max Capacity: 10
Receiver Finish: Black
Trigger: Nano Composite
Weight: 6 lbs
Stock Finish: Black
Caliber Dictionary
The Below Information Has Been Provided From Our Gun Caliber Dictionary And Is Meant For Informational Purposes Only. It Is Not Intended to Describe The Unique Specifications For This Ammunition.
The 5.56X45mm NATO cartridge was designed by James Sullivan, a member of Eugene Stoner's engineering team that developed both the M16 rifle and its original cartridge. The 5.56X45mm NATO was adopted by the U.S. military in 1964 and by NATO in 1980. With bullet diameter of .224-inch, the original M193 military cartridge used a 55-grain bullet at 3250 fps; the current M855A1 cartridge, developed by FN, uses a 62.5-grain bullet at 3020 fps, offering greater range and better penetration. The civilian version of the 5.56X45mm is 223 Remington; the cartridges are dimensionally identical but military chamber dimensions and specifications for military brass are different. It is considered safe to use 223 Remington ammo in a 5.56X45MM NATO chamber, but not a good idea to use 5.56X45mm ammo in a rifle specifically chambered for the 223 Remington. Although the stopping power of .22-caliber bullets remains controversial the 5.56X45mm has served well in now multiple generations of M16 rifles. — Craig Boddington
