Wheeler's Delta Series AR-15 Upper Vise Block is optimized for left hand and right hand Mil Spec A2 upper receivers with carry handles as well as flattop style receivers. Other AR-15 variants may be adapted with special attention to potentially non-conforming surfaces or features.

• Allows you to safely clamp on to your AR-15 upper receiver in a vise holding it securely without twisting crushing or marring the finish
• For torqueing a barrel on removing a stubborn barrel nut or for simple gun maintenance and cleaning
• Made of a high pressure solvent resistant polymer material
• All-around product for your AR-15 gunsmithing maintenance or cleaning needs
• Includes a receiver insert with a gas tube alignment system making sure your gas tube is always in line when installing a barrel and torqueing a barrel nut
• Durable design holds receiver securely and fits both left and right-hand Mil Spec A2 upper as well as flat top receivers