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Thread: Rainier Arms Phosphate BCG
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26 June 2013, 14:41 #1
Rainier Arms Phosphate BCG
Rainier Arms has a new Phosphate coated BCG. These aren't the same as their "Thunder Bolt Carriers" as the finish appears to be different as it's duller. The price is also slightly lower. However, in usual Rainier Arms style, it appears they somehow kept the same quality as their specs are top notch and come with a limited lifetime warranty:
Description:
The Rainier Arms BCG was created to meet and exceed all Mil Spec standards. The bolts are MPI tested & Marked to give you ultimate confidence in your weapon system.
Carrier:
SAE 8620
Heat Treated
Nickel Boron Plated
Bolt:
Carpenter A-158
Shot Peened
Heat Treated
Nickel Boron Plated
Extractor:
Machined from bar
Shot Peened
Heat Treated
Nickel Boron Plated
Extractor Spring:
Chrome Silicone for Longer Life
Black Insert as per current Mil-Spec
"O" Ring is high temp resistant dark brown
Extractor Retaining Pin:
Precision Machined
Precision ground to diameter
Precision ground to length
Heat Treated
Firing Pin:
Machined and then precision ground for accuracy
Heat Treated
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
Cam Pin:
Precision machined
Heat Treated
Nickel Boron Plated
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
Limited Lifetime Warranty
We are so confident in our Rainier Arms BCG we offer them with a limited lifetime warranty. So if at anytime your Rainier Arms BCG breaks on your during normal use(Intentional abuse & Gas Key wear not included) we will replace it.
MSRP $151.95
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27 June 2013, 21:41 #2
These look great. BCGs have been in short supply even before the craziness started at the end of last year.
Triple Bravo
http://www.flickr.com/photos/triplebravo/