AR15 Piston System Gas Block & Bolt Carrier Group w/ 6mm ARC Bolt - DEMO

AR15 Piston System Gas Block & Bolt Carrier Group w/ 6mm ARC Bolt

The AR-15 Piston System Gas Block & Bolt Carrier Group with 6mm ARC Bolt is a cost-effective foundation for builders looking to step into a piston-operated AR-15 platform. Offered as a DEMO unit from our backroom product locker, this system is designed to give shooters an accessible entry point into the reliability and cleanliness of piston-driven operation while supporting modern cartridge compatibility like 6mm ARC. Ideal for custom rifle builds, experimentation, or upgrading an existing platform, this kit delivers practical functionality without unnecessary complexity or cost.

Piston-Driven Operating System
Converts AR-15 platform to a gas piston system for reduced fouling and cleaner operation.

6mm ARC Bolt Compatibility
Includes dedicated bolt designed for use with the 6mm ARC cartridge for modern precision applications.

.750 Journal Gas Block
Standardized gas block size ensures broad barrel compatibility across AR-15 builds.

Complete Piston Assembly
Includes gas block, piston components, and matching bolt carrier group for a unified system.

Specifications

• Platform: AR-15
• Operating System: Gas Piston
• Gas Block Size: .750 Journal
• Bolt Type: 6mm ARC Compatible Bolt
• Included Components: Gas Block, Piston Assembly, Bolt Carrier Group
• Condition: USED, Shows signs of wear consistent with use