Obsidian Arms Upper Receiver Vise Block AR-308

Obsidian Arms Upper Receiver Vise Block AR-308 Secure your upper without a scratch-optimized for large-frame ARs. The Obsidian Arms AR-10/AR-308 Upper Receiver Vise Block is a must-have tool for anyone working on large-frame AR builds. Precision-machined from high-density polyethylene (HDPE), this block provides a secure, non-marring hold on your upper receiver when clamped in a bench vise-preventing damage during barrel installations, maintenance, or optic mounting. Designed to fit all standard AR-10/AR-308 upper receivers, this vise block includes locking pins for a tight, secure fit during high-torque applications. Lightweight, durable, and easy to use, it's an essential tool for builders, armorers, or anyone maintaining their .308 platform. Features Fits all standard AR-10/AR-308 upper receivers HDPE construction prevents scratching, marking, or crushing Locking pins included for secure hold during heavy torque use Lightweight and durable-ideal for professional or DIY builders Made in the USA Specifications Material: High-Density Polyethylene (HDPE) Compatibility: Standard AR-10 / AR-308 Upper Receivers Includes: Vise Block and Locking Pins Weight: Approx. 16 oz Use: Bench vise tool for upper receiver maintenance and builds