Combo Deal – 10.3″ 5.56 1/7 A2 FSB Ar15 Barrel and Microbest Chrome ‘blem’ BCG

If you’re in the mood for building a 10.3″ Ar15 Pistol Upper, this is the combo you don’t want to miss! Barrel Features: 10.3″ length 5.56 Nato chamber (shoots 556 or 223) 4150 Chrome Moly Vanadium Black Nitride finish Carbine gas length a2 front sight base (does not include screw-in post) “F” Marked Barrel Nut & handguard cap A solid Bolt Carrier Group is a key component of your Ar15. Microbest produces top quality mil-spec BCGs for the military and other quality rifle manufacturers. This 5.56 / 223 BCG features a full hard chrome exterior coating and is properly made, ready to run reliably in your rifle. These may have small blemishes, machine marks, or coating defects that do not affect function. Mil Spec 8620 Carrier, Full Chrome 8620 Quality Steel Full Auto M-16 cut Mil-Spec Bolt , Full Chrome Carpenter 158 Steel (c158) Shot Peened High Pressure Tested (HPT) Magnetic Particle Inspected (MPI) Sprinco Extractor and ejector springs, with sprinco insert Mil Spec Extractor – Phosphate Phosphate extractor has more friction when gripping the case rim, allowing for more reliable extraction. 4140 Steel Extractor Spring by Sprinco Black Extractor Insert Mil Spec Gas Key, Full Chrome 4130 Steel Grade 8 Hardware OCKS gas key screws Properly Staked 4140 Steel Cam pin, chrome finish Firing Pin, retaining pin Weight: 11.6oz