ProMag PM123A AR Vise Block Set, 3-Piece

The ProMag PM123A is a three-piece upper and lower receiver vise block set designed for AR-15 and M16 receivers. The blocks securely clamp flat-top and carry-handle upper and lower receiver components to minimize movement during maintenance tasks. Constructed from impact-resistant, glass-filled nylon, the set helps protect receiver finishes while working on repair, assembly, and cleaning. These blocks are made in the USA and intended for gunsmithing and maintenance use.

Key Specifications

• The set contains 3 pieces for upper and lower receiver support.
• Construction uses impact-resistant glass-filled nylon for durability and protection.
• Compatible with AR-15/M16 flat-top and carry-handle upper and lower receivers.
• Designed to secure receiver components and prevent movement during maintenance.
• Intended use includes repair, assembly, and cleaning tasks.
• Product type is a vise block set for receiver work.
• Model designation is PM123A.
• Manufactured in the USA.
• Overall material described as polymer (glass-filled nylon).

Compact, rugged, and purpose-built for maintenance, the PM123A vise block set streamlines receiver work without risking finish damage. Its durable polymer construction and three-piece design make it a practical addition to any armorer or hobbyist toolkit who values reliable, simple tools for routine service and assembly.