Brownells Ar-15/M16 Barrel Extension Torque Tools. Handy tool aids in applying straight-line torque for fast, easy installation of the barrel nut without scratching the exterior of the upper receiver. Helps ensure the right amount of torque is evenly applied, while maintaining proper alignment of the barrel, upper receiver, and gas tube ports. Use with any barrel nut wrench or free-float tube wrench and a torque wrench with a 1/2″ square drive. Simply clamp the barrel nut wrench handle firmly in a bench vise, insert the barrel into the upper receiver, and finger tighten the barrel nut. Slide the barrel through the wrench, insert the Torque Tool in the back of the receiver until the teeth lock into the locking lugs in the barrel

Firearms Ar-15/M16 Barrel Extension Torque Tools

Brownells Ar-15/M16 Combination Wrench. An exact duplicate of the original factory/military design so you know it will fit and work. Use for several jobs: to remove the barrel nut; to remove and install old and new flash suppressors; to remove and install the lower receiver extension.

Brownells Ar-15/M16 Gas Block Taper Pin Reamer. High-speed steel reamer is precisely tapered to match the shape of the standard A2 gas block retaining pin. Cleans up existing holes or tapers newly drilled holes to ensure a positive, secure fit and precise alignment of the sight tower.

Brownells Ar-15/M16 Lower Receiver Vise Block. Heavy-duty blocks allow you to firmly clamp AR-15/M16 receiver halves in a vise without risk of crushing, twisting, or otherwise distorting them when applying vise pressure or torquing the barrel nut. Keeps your rifle secure for safe, effective cleaning, assembly, and repair. Unbreakable urethane vise block takes all the clamping force, so your expensive lower receiver won’t be damaged or distorted. Insert block into the magazine housing from the top or bottom, then clamp the other end in your bench vise. The magazine catch locks to the block, safely and securely holding the rifle for assembly, disassembly, cleaning, or repair. Will not mar or scratch the finish. Fits tightly in mos

Brownells Ar-15/M16 Magazine Feed Lip Gauge. Convenient “Go/No-Go” gauge lets you quickly and accurately check for correct feed lip gap. Helps ensure reliable feeding and prevent weapon failure caused by feed problems. Simply slip over the back of a suspect magazine and lightly press gauge between magazine feed lips. If the gauge passes through feed lips, either discard that magazine or use the Brownells Magazine Feed Lip Tool to bring them back into specs and restore reliable feeds. If the gauge won’t pass through the lips, the gap is too narrow and must be widened. Machined from 4140 chrome-moly steel heat hardened to Rc 50-55 for dimensional stability, plus resistance to wear and corrosion.

Brownells Ar-15/M16 Receiver Taps & Dies. Chases and cleans the two most important threads on the AR-15/M16 receivers. 1.250″-18 tpi – Corrects out of spec or cross-threaded upper receivers and barrel nuts. 1-3/16″-16 tpi – Makes receiver extension tube and lower receiver threads uniform for easier installation.