Obsidian Arms Upper Receiver Vise Block AR-15 - OA-VBUA

Discover the ultimate tool for precise AR-15 assembly and maintenance with the Obsidian Arms Upper Receiver Vise Block. Designed for gunsmiths and firearm enthusiasts alike, this essential accessory ensures your upper receiver stays secure and undamaged during intensive tasks like barrel installation, optic mounting, or general disassembly. Say goodbye to the risks of crushing or marring your valuable components—this vise block provides a reliable, damage-free grip that enhances accuracy and safety in every build.

Key Features

• Durable HDPE Construction: Machined from high-density polyethylene, this vise block withstands heavy clamping forces without deforming, offering long-lasting performance for repeated use.
• Universal Fit for AR-15 Uppers: Compatible with all standard mil-spec AR-15 upper receivers, it inserts seamlessly to provide full support and stability.
• Secure Locking Pins: Includes stainless steel pins that engage the takedown and pivot pin holes, locking the block firmly in place to distribute torque evenly and prevent twisting.
• Made in the USA: Crafted with precision engineering for quality you can trust, ensuring compliance with high manufacturing standards.

Technical Specifications

• Material: High-Density Polyethylene (HDPE)
• Weight: 16 oz
• Color: Bright yellow for easy visibility in your workshop
• Dimensions: Compact design optimized for bench vise integration (approximately 7.4″ L x 2.7″ W)
• Compatibility: AR-15 upper receivers only (dedicated AR-10 version available separately)

Why Choose the Obsidian Arms Vise Block?

When working on your AR-15, the last thing you need is a tool that compromises your receiver’s integrity. Traditional vise methods can lead to dents, scratches, or misalignment, potentially ruining expensive parts and complicating your build. The Obsidian Arms Vise Block addresses these pain points head-on by cradling the upper receiver internally, allowing you to apply maximum torque without external pressure points. Whether you’re a novice builder tackling your first custom rifle or a seasoned armorer performing routine maintenance, this block streamlines your workflow, saves time, and protects your investment. Its solvent-resistant material also makes cleanup effortless after greasy jobs, keeping your tools ready for the next task.

Integrate this AR-15 upper receiver vise block into your gunsmithing toolkit today and elevate your builds to professional levels. Perfect for home workshops or professional shops, it’s the smart choice for anyone serious about AR-15 tools and accessories.

Frequently Asked Questions

Q: Will this vise block fit my custom AR-15 upper?
A: Yes, it is designed to fit all standard mil-spec AR-15 upper receivers, providing a secure hold for most configurations.

Q: How does the HDPE material benefit my gunsmithing process?
A: HDPE is tough yet non-marring, preventing damage to your aluminum receiver while enduring repeated vise clamping without wear.

Q: Are replacement pins included or available?
A: Locking pins are included with the block; they are durable stainless steel and designed for long-term use.