PBA Specifications

We are a bit obsessive when it comes to Quality.

We looked to the Good Measurement Practices, the Colt Technical Data Package (TDP), and SOTAR specifications when developing our metrology and Quality Control program.

Below, we humbly offer the specifications that we use for measuring and gauging our components and assemblies.  We have tried to express why we measure something (WHY), how we measure it (HOW), the specification we turned to (SPEC), the value of that specification (VAL), and any notes explaining our specification.

Bolt Carrier Assembly

Bolt Assembly

BCG Assembly and Other Components

Gas System Components

Lower Receiver

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