0.5″ (1/2″) Crush Washer — 5.56mm / .223 BBLs

Description

• Manufacturer: New Frontier Armory
• Model: Crush Washer
• Size: 1/2″ (.50″ ID) (5.56mm and 9mm)

Standard 1/2″ Crush Washer for  AR-15 / AR-9  platforms.  This crush washer will fit 1/2 x 28 threads (most 5.56mm / .223 / 9mm  barrels).

The New Frontier Armory Crush Washer is proudly MADE IN THE USA by hard working American men and women.