ASR 9mm Conversion Kit to 10mm, 357SIG, 40S&W, 45ACP, or 460Rowland - Caliber conversions will include a combination of a barrel, Bolt head and/or lower depending on which caliber you are switching to.

from a .45 caliber to a 9mm, or .45 caliber to .40 caliber, and vice versa a trigger housing should be included in the kit (see first photo). For these kits since you also get a complete lower, there is an additional fee and the total for a .45 conversion is $450. For .40 caliber to 9mm and the reverse, no trigger housing is needed (see second photo), and the price for these kits is $205. All conversion kits include a magazine (not shown in image.)

For a list of the included parts, please see the technical specs tab.