Pioneer Machining And Weapons Systems Inc

Warning letter

This gun manufacturer was cited for 1 violation. The inspection resulted in a warning letter.

A warning letter is the least severe action the ATF can take against a licensee with compliance issues. The letter advises the licensee to comply with regulations.

ATF data indicates that this license is no longer active.


7215 B West Southern
Laveen, AZ 85339
Maricopa County


Number 9-86-013-07-8H-02205
Type Manufacturer of firearms
Expiry License inactive

Inspection Timeline

Compliance inspections are conducted by one or more ATF officers. After the lead investigator submits a recommendation, one or more ATF supervisors will review the inspection and either concur with or adjust the recommendation.

This page contains information about a single inspection conducted between 2015 and 2017. The ATF may have inspected this licensee before and/or after the inspection detailed here.

Officers spent a total of 13.5 hours conducting this inspection. 215 days passed between the assignment and the final review. The licensee received a final outcome of warning letter.

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Oct 1, 2015
Inspection assigned
Apr 13, 2016
Officer's recommendation Submitted by Industry Operations Investigator
Warning conference
May 3, 2016
Final review Signed by Area Supervisor
Warning letter
May 3, 2016
Warning letter sent


If an inspection uncovers regulatory violations, the licensee receives a report outlining these violations. This section lists the violations found in the inspection, as well as a general description of each offense. More details on the nature of the licensee's specific violations may be found in the report PDF.

This licensee was cited for 1 violation.

1 479.131 Failure by a manufacturer, importer, or dealer of NFA firearms to maintain records regarding the manufacture, importation, acquisition, receipt, and disposition of firearms as required, or to maintain a chronological record consisting of documents showing the registration of any firearms to the licensee. 🔗

Source: Bureau of Alcohol, Tobacco, Firearms and Explosives. About the data »