Specifications:

• Replaces barrel bushing
• For Colt 1911/1911 clones
• Fits 5” Government length 1911 Autos with a barrel OD between .577″-581″
• Calibers up to and including .45 acp. Can fit .38 and 9mm
• Minor milling/modification may be required (to lug)
• Weighs 2.4 ounces and adds 0.96″ to length of handgun
• CNC-machined top-grade carbon steel

Does not fit:

• Commander (4.25”) or Officer/Compact (4” or shorter)
• Bull Barrels (only works on un-threaded barrels / replaces barrel bushing)