The Rise Armament RA1011NIB Bolt Carrier Group (BCG) is a factory-configured carrier assembly intended for AR-15 / M16 pattern rifles chambered for .223 Rem / 5.56 NATO. It uses steel construction with a Nickel Boron surface finish and is manufactured and inspected to provide consistent fit and function. This BCG is suitable as a direct replacement or component upgrade for AR-15 maintenance and reliability-focused builds.
Key Specifications
- Manufacturer: Rise Armament.
- Model/Part: RA1011NIB Bolt Carrier Group.
- Compatible cartridge: .223 Rem / 5.56 NATO.
- Finish: Nickel Boron.
- Material: Steel.
- Weight: 11.6 oz.
- Dimensions: 1.75 x 3.80 x 10.90.
- Type: AR-15 bolt carrier assembly.
- Platform compatibility: AR-15 / M16 pattern rifles.
Designed for dependable function and straightforward installation, the RA1011NIB offers corrosion-resistant surface treatment and robust steel construction for longevity. Its spec set makes it a practical choice for builders and technicians who prioritize dependable cycling and easy maintenance in AR-15/M16 systems.
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