Description
The Expo Arms AR-15 Barrels are designed to give you a premium barrel at an affordable cost. This AR barrel is made from 4150 CMV steel and features a chrome lined bore to withstand high temperatures for a long barrel life. This 16” model features an enhanced medium contour with a mid-length gas system and .076” port diameter for reliable function. Additionally, the .750 gas seat diameter is dimpled for securely attaching set screw gas blocks. The 1:7 twist rate is optimal for heavier 62 grain ammunition and the muzzle is threaded 1/2x28 for your favorite 5.56 muzzle device. If you are looking for a combat ready barrel that provides exceptional accuracy and reliability, you can’t go wrong with an Expo Arms M4 barrel.
Features:
16” Enhanced medium profile chambered in 5.56 NATO
Mid-Length gas system with .076” port diameter
.750” dimpled gas block shelf
Made from 4150 CMV steel
Phosphate finish
Chrome-lined chamber and bore
SKU: XP-EMC-556-16
Explore more Expo Arms Barrels gun parts.
Hardly a deal at $145. PA keeps jacking the price up on their Expo chrome lined barrels. You used to get this on sale a few years ago for $80. Back in 8/24 they were on sale for $115. Back in 2/23 they were on sale for $105.