Mini 14 - For 223 Rem. & 5.56 calibers.

Order Number 1-580 is for 580 thru 600 serial number prefixes and (580 Tapered barrels Only made in late 2005 till present).

• Drops your spent casings at your feet not the next guy’s head.
• Reduces the distance your brass is ejected.
• Reduces battering of your receiver & Optics.
• Reduces barrel harmonics.
• Easy Installation.
• Manufactured in the USA
• Please refer to Product instructions tab on our website when installing.
• Kit Includes .035", .040", .045" & .050".