Barrel Cap for JR Carbine threaded barrels. Use to protect barrel threads when shooting or shipping barrel without muzzle brake or flash and/or noise suppressor installed.
Caps are threaded to match standard JR Carbine barrel threads:
• 9mm/.357SIG - 1/2" x 28 Right Twist
• .40S&W/10mm - 9/16" x 24 Right Twist
• .45ACP - .578" x 28 Right Twist
9mm, .40 S&W, .45 ACP
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