· Adjustable-Fit: Accommodates all MIL-SPEC AR15 magwells, ensuring a secure and snug fit. · Versatility: Can be used with an inverted lower receiver for easy access when building. · Steady Base: Provides a steady base for installing or removing buffer tubes. · Oversized Edge: Designed for improved grip in vises, reducing chances of accidental slips or drops. · Knurled Texture: Enhances overall grip during use, increasing safety and efficiency. · Magazine Lock Feature: Securely holds the lower receiver in place during maintenance tasks, providing additional stability and security. · Eliminates Guesswork: The adjustment handle ensures a precise fit each time you use it. · Durable Construction: Made from robust materials that can withstand heavy use without compromising performance or integrity. · Comprehensive Solution: More than just a vise block – it’s designed to make maintaining and building AR15 rifles easier, safer and more efficient. · Innovative Design & Functionality: Sets new standards in firearms maintenance tools by offering unmatched precision when working on your firearm.