5.56 Semi-Auto BCG (No Logo) is a solid upgrade for AR-15 builders who want dependable cycling and a clean, modern look. Built with an 8620 steel carrier and a Carpenter 158 bolt, this semi-auto carrier group is finished in black nitride for improved wear and corrosion resistance. Forward assist serrations support standard upper function, while a properly staked, chrome-lined gas key helps ensure consistent reliability over long round counts.

Features

• No logo for a clean, modern appearance
• Semi-auto carrier profile (SEMI-AUTO ONLY)
• 8620 steel carrier with forward assist serrations
• Carpenter 158 bolt, shot peened for durability
• Properly staked gas key
• Chrome-lined gas key and bolt channel
• Extractor with black O-ring insert
• Black nitride finish for enhanced corrosion and wear resistance

Specifications

• Caliber: 5.56 NATO / .223 Rem
• Carrier Material: 8620 steel
• Bolt Material: Carpenter 158
• Finish: Black Nitride
• Carrier Type: Semi-auto
• Gas Key: Properly staked, chrome-lined
• Platform: AR-15