Chamber pressure is determined by the cartridge, not the rifle.
14.5 inches on the actual M4 rifle.
The M4 is capable of automatic fire, the AR 15 is not
Chamber pressure is dertmined by the cartridge. The max standard pressure for .223 is set by SAAMI at 55,000 PSI.
No one will give you an M4 rifle/carbine for free.
AR-15 = Semi-Auto civilian rifle M4 = Select Fire Military rifle
20000
The M4 carbine has a muzzle velocity of 2,970fps(884m/s).
The M4 is a military rifle capable of semi automatic or 3 shot automatic fire. It is used where a lighter shorter rifle is useful.
The M4 is a shorter version of the M16 rifle, which is the military designation of the Armalite Rifle. Eugene Stoner is generally credited with the creation of the Armalite.
@ 3 miles
Yes.