Dirty Bird 7.5" 5.56 M-LOK Pistol Kit w/ SBA4 Review

About Dirty Bird 7.5" 5.56 M-LOK Pistol Kit w/ SBA4

This Dirty Bird 7.5″ 5.56 M-LOK Pistol Kit w/ SBA4 is everything you need to add to your lower receiver to have a complete rifle. Dirty Bird 7.5″ Pistol 556 M-LOK Complete Upper Barrel Chambered in 5.56 (will also function with .223) 7.5″ Heavy Profile w/ 1:7 Twist Mid-Length Gas System Black Nitride Finish High Pressure Tested, Magnetic Particle Inspected and Test Fired Recessed Flash Can Handguard Tough Machined from aircraft grade 6061-T6 aluminum extrusions. Anti-rotation tabs. Versatile M-LOK attachment slots on all sides (except top) 1913 Picatinny top rail with shaved and beveled center section. Raised QD attachment points at the 3 and 9 o’clock positions. Upper Receiver Precision Machined from Top Tier 7075-T6 Aluminum Forgings (forge marks may vary) M4 Feedramps Laser etched T-marks NBS Enhanced Mil-Spec Charging Handle Dirty Bird Industries Enhanced Bolt Carrier Group .223/5.56 Strategically relocated load bearing surfaces reduce carrier tilt/can’t during recoil, thus increasing reliability and longevity. Additional wall thickness in the gas exhaust port area for added strength and rigidity. The 9310 Bolt is machined to mil-spec dimensions and then the external surfaces including the lugs are CNC ground after the heat treating process to ensure a very precise fit. The bolts themselves feature the same Black Nitride finish as the carrier and are High Pressure (HP) Tested and Magnetic Partical Inspected (MPI) in accordance with Mil-STD-1816 specifications. SB Tactical SBA4 Pistol Stabilizing Brace Designed after the SBM4™ 5-position adjustable Includes 7075 mil-spec carbine receiver extension Integral, ambidextrous QD sling socket ATF compliant, US veteran designed and proudly made in the USA Product includes:  brace, mil-spec carbine receiver extension, adjustable nylon strap OEM Mil-Spec AR-15 Lower Parts Kit

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