DesignationBolt Assy - Tête de culasse - 5.56mm OTAN
349 € incl. tax
.223 Remington - 5.56mm NATO Compatible Kit - 300 Blackout
CNC machined head support in steel 8620.
Countersunk head steel head Carpenter 158.
Compatible with AR15 Mil-Spec platforms.
CNC machined steel head support 8620
Chrome reinforcement Hardened phosphate coating
Gas borrow key with crimped nuts
Magnetic Particle Imaging Surface Inspection
Chrome-nickel alloy steel countersunk head C-158 (0.10% carbon, 0.50% manganese, 0.30% silicon, 3.50% nickel) High pressure tested Surface inspection by particle imaging magnetic Surface hardened by prestressing shot blasting Heavy phosphate coating Mechanism of assistance with the ejection