This Anderson Manufacturing bolt carrier group is a low-mass BCG for AR-15 rifles chambered in 5.56 NATO. A lighter carrier reduces reciprocating mass, which is popular in competition and lightweight builds. The nitride finish adds hardness and corrosion resistance and makes cleanup easier.
- Brand: Anderson
- Part number: B2K632AA000P
- Fits: AR-15
- Chambering: 5.56 NATO
- Type: low mass bolt carrier group
- Material: steel
- Finish: nitride
