Advanced Research HBAR Profile 16" Barrel
Barrel delivers features you expect to find on a premium-grade rifle barrel at a remarkably economical price.
Back In Stock but limited quantities!
16" Barrel, carbine length gas system
1:9 Twist Government Hbar 4150 CM Melonited
Chambered .223/5.56 x 45 mm NATO
2 Stage Lapped for Match Accuracy
HPT MPI & Rockwell Hardness Tested
All 100% Made & Machined in the USA
Made by Advanced Research in the USA. Machined from Ordinance-Grade 4150 chromium-molybdenum alloy steel and Melonited for exceptional strength. Every barrel is magnetic particle inspected MPI. Proof Tested. Chambered for 5.56mm NATO, with 1-9" twist TWO stage lapped for super accuracy. Includes pre-installed barrel extension, with M4 feed ramp and locator pin. Gas port is drilled and muzzle is pre-threaded to accept "-28 tpi accessories. .750 Diameter. This barrel is rated for 30,000 rounds PLUS the longest life of any Melonited barrel on the market . It's cryo-treated and it will just last much longer than most conventional barrels.