RAINIER ARMS

Rainier Arms AR-15 Precision Match Grade Black Nitride BCG

$169.95

The Rainier Arms Precision Match Grade Phosphate BCG - 5.56 Nitride is machined and finished to a higher standard to meet and exceed all Mil Spec. It is machined using the most precise equipment in the industry. The bolts are MPI/HP tested & Marked to give you ultimate confidence in your weapon system.

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Description

Gas Key Bolt:

Precision manufactured in house with extra deep knurling
Grade 8
1200 degree locking patch is factory applied to threads to help insure long lasting tightness
Gas key:

Hard Chrome lined gas tube as per Mil-Spec
Bolts installed to proper torque
Staking on both sides of both bolts
Nitride
Cam Pin:

Precision machined
Heat Treated
Nitride
Firing Pin Retaining Pin:

Precision bent
Precision cut to length
Heat Treated
Gas Rings:

Stainless Steel per Mil-Spec
Ejector:

Precision machined
Heat Treated
Ejector Spring:

Chrome Silicone
Precision ground ends
Ejector Retaining Pin:

Precision cut to length
Hard Chrome Plated

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