What exactly is the difference between the original BCG and V2?
With v2 you can see angle cut, billet machining, and inside and out NiB. Smoother surface on v2? Is the NiB coating fully inside & out like v2?
AIM AR/M16 .223/5.56 NiB 9310 MPI BDG Bolt Carrier Group
Features 9310 Bolt Material; 8620 carrier and gas key;
Properly staked Investment cast gas key hardened to USGI specifications fastened with Hardened Grade 8 Fasteners;
Shot peened MPI (Magnetic Particle Inspected) Bolt.
Extractor O-Ring upgrade with Black Insert.
This is an Excellent Bolt and an Excellent Price!
AIM NiB v2 .223/5.56 AR/M16 Bolt Carrier Group
We are proud to announce the release of our v2 Nickel Boron AR/M16 .223/5.56 Bolt Carrier Groups. MPI (Magnetic Particle Inspected) Bolt.
8620 Tool Seel Enhanced Radius design (Angle Cut) Carrier with inside and out NiB Treatment
9310 Steel MPI Bolt with inside and out NiB Treatment
Billet Machined Extractor with Black Insert and O-Ring upgrade
Billet Machined 4140 Steel Gas Key
Grade 8 Fasteners
Military Specification Gas Key Staking
Deciding on jumping on original in stock now (not for long I'm sure) or waiting on v2.
ETA: Searched this forum for answer with no luck.