Rainier Arms Thunder Bolt M16 BCG Nickel Boron AR15 AR-15
Description:
The Thunder Bolt™ BCG was created to meet and exceed all Mil Spec standards. Giving you the confidence to run your weapon long and hard at 110%. You will never have to worry about your BCG being the weakest link in your weapon. The bolts are HPT & MPI tested & Marked to give you ultimate confidence in your weapon system.
M16 Full Body 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
Rainier Arms offers these with a limited lifetime warranty. So if at anytime your Rainier Arms Thunder Bolt BCG breaks on your during normal use(Intentional abuse & Gas Key wear not included) Rainier will replace it.
