Advanced Research HBAR Profile 16" Barrel
Barrel delivers features you expect to find on a premium-grade rifle barrel at a remarkably economical price.
These barrels are back in stock but we have a limited amount!
- 16" Barrel, carbine length gas system
- .750 Shoulder
- 1:9 Twist Government HBAR 4150 CM Melonited
- Chambered .223/5.56x45 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 Ordnance-Grade 4150 chromium-molybdenum alloy steel and melonited for exceptional strength. Every barrel is magnetic particle inspected MPI. 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 1/2x28 tpi accessories. .750 Diameter. This barrel is rated for 30,000 rounds PLUS the longest life of any melonited barrel on the market.