Length: 4.5"9 x 19 Parabellum1:10 Twist1/2x28" Thread Pitch4150 Heat treated and stress relieved Chrome Moly Vanadium quality steel.Finish: Black NitrideMade in the U.S.AFits: AR-15MUZZLE BRAKE TREAD PITCH IS THE SAME AS AR-15 1/2X28..
AR-9 Birdcage Muzzle BrakePhosphate finish1/2x36 thread pitchCaliber: 9x19 length: 1 3/4"Weight: 2.3 ozHelps control muzzle rise, flash and recoilFinished with a black phosphate with 5 down force vents..
Constructed on CNC machine out of a block of steel with a black oxide battle finish.9 port design to provide comfort with a
minimal pressure blastFeatures:Black oxide
finish Heat treated (to
harden the metal)TPI competition
design with 9 portsLength: 2.3125”½”x36 thread
pitch Manufactured to
MANUFACTURED TO FIT THE MIL SPEC STANDARD LOWER PARTS KIT Ramped carrier group uses standard mil-spec hammerSpring loaded enhanced firing pinMachined from 8620 tool steelFinish: NitriteCompatible with both GLOCK and COLT 9mm AR-9 magazinesDrop in readyProperly staked keyRemovable ramped counter..