Contributing

Why did my BCG come with an O-ring?

Standard

Why did my BCG come with an O-ring?

Upon inspection, the BCG had an o-ring that was blocking the BCG from engaging properly. Upon removal, it fired fine. It’s a Toolcraft BCG that I ordered from Primary Arms.

Are BCM bolt carrier groups Good?

BCM has a pretty great reputation for building quality, excellently designed rifle parts, and their M16 BCG is no different. It’s a proper mil-spec design with some nice finishing touches that elevate this part above your standard old USGI M16 part.

Is BCM BCG full auto rated?

Description: BCM® (MPI) complete bolt carrier group is fully assembled. Bolt carrier group (auto version) for your AR15, M16, or M4.

Who makes BCM bolt carrier?

Bravo Company Manufacturing
1. Bravo Company Manufacturing (BCM) M16 BCG.

What bolt carrier group does the military use?

Current mil spec for bolt carrier groups in military rifles (M16 and M4) is phosphate. Some advantages of phosphate over chrome include it’s lower cost and less visible appearance in a military setting – less shiny.

Who makes the most reliable BCG?

13 Best AR-15 Bolt Carrier Groups (BCG)

  • Palmetto State Armory (PSA) BCG.
  • Faxon Lightweight BCG.
  • Brownells Lightweight BCG.
  • Rubber City Armory (RCA) Titanium BCG.
  • Brownells Titanium BCG.
  • Walker Defense Titanium BCG.
  • Bootleg Adjustable Carrier.
  • Sharps Xtreme Performance BCG.

Is nickel boron BCG better than nitride?

That Nickel Boron finish is MIL-SPEC on some Army mortar tube components. Both of these finishes are far ahead of phosphate as far as slickness and ease of clean up are concerned. In both categories though, Nickel Boron has the edge over Nitride.

Which is better black nitride or Nickel Boron?

Both of these finishes are far ahead of phosphate as far as slickness and ease of clean up are concerned. In both categories though, Nickel Boron has the edge over Nitride. Nickel Boron usually costs more than Nitride and that money goes to more performance.

What type of BCG is best?

The V Seven Titanium BCG is the best AR-15 bolt carrier group that you’re going to find. It’s lighter than steel and stronger than either steel or aluminum. It’s both Magnetic Particle Inspected and High-Pressure Tested, pass those and you’re the best of the best.