Obsidian Arms Upper Receiver Vise Block AR-15

Obsidian Arms Upper Receiver Vise Block AR-15Secure your build without damaging your receiver.The Obsidian Arms AR-15 Upper Receiver Vise Block is a must-have tool for any builder or gunsmith who wants a stable and damage-free way to work on their upper receiver. Machined from durable high-density polyethylene (HDPE), this vise block firmly secures your upper in a bench vise without marring or distorting the finish-even under heavy torque during barrel installation or optic mounting.Designed for universal fitment with all standard mil-spec AR-15 upper receivers, the block includes integrated locking pins for a rock-solid hold during critical work. At just 16 ounces, it's lightweight yet exceptionally stable, making it ideal for at-home or professional use.Features HDPE construction resists cracking and won't scratch your upper Integrated locking pins ensure a secure, stable fit Compatible with standard mil-spec AR-15 upper receivers Works with both flat-top and carry-handle uppers Lightweight and easy to maneuver in your bench vise Made in the USASpecifications Material: High-Density Polyethylene (HDPE) Compatibility: AR-15 mil-spec upper receivers Includes: Vise block and locking pins Weight: 16 oz Use: Gunsmithing, upper receiver maintenance/building