The TacFire SS-RK300LPK Rifle Kit contains :

• .300 AAC blackout 7.5" barrel
• .308 5/8 x 24 TPI spiral fluted flash can w/crusher washer
• AR15/.750 micro/low profile gas block/mil-spec/steel
• pistol length gas tube w/pin/steel; ultra slim 7" clamp on MLOK free floating handguard
• AR15 5.56/.223/.300AAC stripped billet upper receiver w/M4 feed ramps AR15/.556 Mil-Spec charging handle aluminum w/steel latch
• dust cover; AR15 forward assist; AR15 standard receiver end plate
• Mil-Spec/commercial castle nut/steel
• AR15 pistol buffer tube w/foam
• 3 oz buffer w/tube spring
• AR15 USA made lower parts kit
• AR15 standard A2 style black pistol grip