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Aero Precision 12.5" 5.56 Government Profile CMV Barrel, Carbine Length (APRH100422C) on a AR-15

AI illustration of a similar part on the gun.

AR-15 · Barrel

Aero Precision 12.5" 5.56 Government Profile CMV Barrel, Carbine Length (APRH100422C)

$170

Under 16 in: a rifle needs a pinned and welded muzzle device to reach 16 in overall barrel length, or NFA registration as an SBR.

Build with this part

Opens the builder with this part fitted. Other parts change only if they have to.

Specs

Length (in)12.5
Caliber556
Calname5.56 NATO
Gas systemcarbine
Thread1/2x28

Pros and cons

Pros
  • Light at 22.4 oz
  • 4150 CMV with QPQ nitride finish
  • 1:7 twist handles heavy 5.56 loads
Cons
  • Needs a 3.5 in device pinned and welded for a 16 in rifle
  • Carbine gas on 12.5 in runs a bit harsh

Other barrel options