The toolset is designed for efficient and safe installation or removal of barrels and accessories on upper receivers. It features a two-part vice block system, where the lower vice block can be detached by removing the two outer hex bolts, allowing it to separate from the upper receiver block. The upper half of the receiver block fits seamlessly into the upper receiver, similar to a bolt carrier group, while the lower vice block secures onto the upper receiver block. This configuration provides comprehensive support to the inside and bottom surfaces of the upper receiver, preventing damage from distortion, twisting or bending during the installation or removal of a stubborn, seized barrel nut. Additionally, the design keeps the exterior of the upper receiver unobstructed, facilitating the mounting of optics, sights and other accessories. The heavy-duty barrel wrench is compatible with MIL-SPEC barrel nuts, enabling the installation or removal of barrels and free float handguards with matching hole spacing. It includes a 5/8 inches wrench on the opposite end, suitable for 5/8 inches muzzle brakes and flash suppressors. The wrench is compatible with 1/2 inches and 3/8 inches drive ratchets and breaker bars, enhancing its versatility. Furthermore, the toolset includes a heavy-duty castle nut wrench for M4 MIL-SPEC and commercial type collapsible stock buffer tubes, with a 3/4 inches wrench on the opposite end for A2 buffer tube installation or removal. This wrench is also compatible with 1/2 inches and 3/8 inches drive ratchets and breaker bars, ensuring comprehensive utility for various applications.

• Compatible with both A1 (5-prong) and A2 (4-prong) type front sight posts for zeroing iron sights
• Tool for Removing AR-15/M4 GI Handguard
• Compatible with rifle, carbine and mid-length handguards
• Secure the mag block in a bench vice, ensuring the flat side of the center protrusion is facing upward
• Insert the hook end into the magazine well and position the two arms over the delta ring
• This setup provides leverage against the delta ring spring, facilitating the installation or removal of 2-pieces top and bottom plastic handguards