AR-15 A2 HBAR 20" 1x9 twist Replacement Barrel is ready to replace a worn-out barrel or complete a custom build. Machined from 4140 chrome-moly steel with a classic Parkerized finish for corrosion-resistance.
The 20" A2 HBAR Heavy Barrel comes stripped with a rifle-length gas system, A2 front sight tower/gas block, are options available. in both light weight and HBAR contour
- Chambered in 5.56mm NATO (also accepts commercial .223 Rem)
- Button-rifled with versatile 1-9" twist
- ½"-28 muzzle threads
Complete comes with handguard end cap, barrel nut and choice of gas block or forged sight base