Microbest AR15 5.56 C158 MPI BCG BLEM

Description

CHROME BCGS WITH PHOSPHATE GAS KEY + EXTRACTOR. Sprinco 5-coil.

THESE HAVE COSMETIC BLEMISHES THAT DO NOT ALTER FUNCTIONALITY! NO RETURNS OR EXCHANGES FOR BLEMS!

Coating Options:

• Chrome w/ phosphate extractor: 01/01/24 batch includes phosphate GAS KEY + EXTRACOTR
• Phosphate chrome lined

Mil Spec Carrier

• 8620 Tool Steel
• Full Auto M-16 cut

Mil-Spec Bolt

• C158 Steel
• Shot Peened
• High Pressure Tested (HPT) – INDIVIDUALLY TESTED
• Magnetic Particle Inspected (MPI) – INDIVIDUALLY TESTED

Mil Spec Extractor – PHOSPHATE

• 4140 Steel
• 5-coil Sprinco Extractor Spring
• O-ring Black Extractor Insert Included

Mil Spec Gas Key – PHOSPHATE

• 4130 Steel
• Grade 8 Hardware
• Properly Staked