16.5″ 5.56 MODEL 57 BARREL 1:9 THREADED SPOTTED – YHM-39-TF

Buy 16.5″ 5.56 MODEL 57 BARREL 1:9 THREADED SPOTTED Online – Official Precision Rifle Barrel Overview

This YHM barrel is constructed of 4140 chrome moly steel with a threaded muzzle, the barrel is Melonited for ultimate surface protection. The melonite coating provides a thinner surface than chrome-lining, so bore friction is reduced for better accuracy. In addition, melonite is harder than chrome-lining providing a longer wear life.
Our 5.56 barrels are designed to perform with both subsonic (220 and 208 gr) and supersonic loads. The gas port has been tuned to lock the bolt open on the last round when using subsonic ammunition with a sound suppressor or supersonic ammo without a suppressor. The bolt may not lock back when using subsonic ammunition WITHOUT a sound suppressor installed. Please note that subsonic ammunition can be more prone to malfunction than supersonic ammunition.
This barrel is an excellent choice for a general purpose AR rifle build. It is perfectly suited for use at the range, in a 3-Gun match, or in the field pursuing game.

Shop 16.5″ 5.56 MODEL 57 BARREL 1:9 THREADED SPOTTED Key Features & Specifications

• Length: 16.5”
• Weight: 2.00 lbs.
• Material: 4140 Chrome Moly Steel
• Chamber: 5.56
• Twist Rate: 1:9”
• Finish: Melonite
• M4 Feed Ramps: Yes
• Muzzle Thread Pattern: 5/8”x24
• Gas Port Location: Carbine
• Exterior Diameter at Gas Port: 0.750”
• Made in USA

Order Compatible Accessories & Upgrades for 16.5″ 5.56 MODEL 57 BARREL 1:9 THREADED SPOTTED

• Explore the BARREL SHIM SET 1/2″ I.D. – SHIM-3102-SET for high-performance builds.
• Explore the BARREL SHIM SET 5/8″ I.D. – SHIM-3302-SET for high-performance builds.
• Explore the 16” M4 5.56mm NATO BARREL, THREADED 1:7 for high-performance builds.