Submission of Request for a Unique Firearm Serial Number
Effective Sep 26, 2025Mass. Register #1557MGL c. 140, § 121CExecutive Office of Public Safety and Security
- (1) A request for a unique firearm serial number must be made electronically to DCJIS via the MIRCS portal prior to the manufacture or assembly of a firearm as defined by M.G.L. c. 140, § 121.
(2) Requestors who are not firearms dealers shall provide the following information at the time of the request:
- (a) requestor's name;
- (b) requestor's address;
- (c) requestor's telephone number;
- (d) requestor's email address;
- (e) requestor's license to carry (LTC) number or firearms identification card (FID) number;
- (f) type of firearm;
- (g) manufacturer's name and address;
- (h) model of the firearm;
- (i) caliber of the firearm;
- (j) barrel length of the firearm;
- (k) whether the request is for a privately made firearm; and
- (l) if the request is for a privately made firearm the means and manner of production.
(3) A dealer requesting a serial number shall provide the following information (to the extent applicable) at the time of the request:
- (a) dealer's name;
- (b) dealer's address;
- (c) location of business;
- (d) dealer's telephone number;
- (e) dealer’s email address;
- (f) type of firearms to be serialized;
- (g) manufacturer's name and address;
- (h) model of the firearm;
- (i) caliber of the firearm;
- (j) barrel length of the firearm;
- (k) whether the request is for a privately made firearm; and
- (l) if the request is for a privately made firearm, the means and manner of production.