SIONICS Weapon Systems

The Greatest Bolt Carrier Group for your AR-15. The SWS Bolt Carrier Group is HP/MPI Tested – Auto Version – Machined to USGI Specifications, Phosphate Coated with use of OCKS (Optimized Carrier Key Screw) and properly staked using a MOMOAKS.

• Mil-spec Carpenter No. 158® Steel
• HPT Bolt – High Pressure Tested / Proof
• MPI Bolt – Magnetic Particle Inspected
• Shot Peened Bolt
• Chrome Lined Carrier – Auto
• Chrome Lined Gas Key
• Gas Key Hardened to USGI Specifications
• OCKS (Optimized Carrier Key Screw)
• Key Staked properly using a MOMOAKS.
• Tool Steel Extractor
• Sprinco Heavy Duty Extractor Spring
• Black Extractor Insert
• Machined to USGI Specification

SIONICS Bolts are manufactured from Carpenter 158® Steel. NP3 coated Cam Pin – With the use of Ned Christiansen’s OCKS (Optimized Carrier Key Screws).

• 100% HP/MPI Tested
• Shot Peened
• Sprinco 5-Coil Heavy Duty Extractor Spring
• Black Insert
• Nickel PTFE Carrier