16″ .300 BLACKOUT M4-Enhanced Stainless Steel Barrel

This is a custom 16” stainless steel barrel designed around the original M4 barrel profile. We have made a few changes to that standard to enhance versatility, reliability and accuracy: 

The M4-E barrel is chambered in .300 BLACKOUT. 

Our barrels use a 1:8 twist rate. The barrel uses a carbine-length gas system. This reduces felt recoil, which is easier on both the gun and the shooter. It also reduces the amount of fouling produced by a pistol-length gas system in a 16″ barrel.

The barrel features dual indents 180° from the gas hole for easy gas block location and installation. It is recommended for use with the MAA low profile gas block. We have removed the cuts for the M203 grenade launcher, taking away the negative harmonic effect and improving accuracy. 

Specifications: 

  • 410 stainless steel 
  • Double stress relief
  • Button rifled
  • Chambered in .300 AAC Blackout 
  • 1:8 twist rate 
  • Accepts .750” gas block
  • 5/8”-24 threads 
  • 16.2” overall length 
  • 1.72 lbs with barrel extension installed

$254.95 $224.36

Only 2 left in stock

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