The Radian Enhanced Bolt Carrier Group for AR15/M16 platform weapons was designed to minimize carrier tilt and reduce friction inside the upper receiver by relocating key bearing surfaces. All materials, tolerances, and coatings meet or exceed milspec standards for performance, reliability, and durability.
- Type: 223/5.56 NATO AR15/M16 (full auto)
- Bolt: Case hardened 9310 steel, shot peened w/ black nitride finish
- Carrier: Billet machined case hardened 8620 steel w/ black nitride finish
- Gas Key: 4130 steel, attached using Grade 8 hardware and proper staking techniques
- Weight: 11.4 oz


John Wilson (verified owner) –
Very high quality BCG. A little different than mill specs kind of feels smoother when you’re pulling back on the charging handle. And for a radiant product it’s not a bad price either. As usual big tex ordinance shipped quick. I’ll be buying lots more stuff from BTO.
LL99 (verified owner) –
Excellent fit and finish. Quick shipping as usual.