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18″ Mark 12 Barrel 5.56 mm

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$189.99

Looking for that balance between weight and long distance accuracy? Our 18″ MARK 12 5.56 mm will fit the bill. Made from 410 Chrome Moly, 1-9 RH twist and an M4 style feed ramp.

Mark 12 18″ Barrel

  • Available in 18″
  • 5.56 mm
  • 4140 Chrome Moly
  • Threaded Barrel — Thread Pitch 1/2 x 28
  • Gas Block Diameter .750
  • Gas Tube Length — Rifle
  • 1-9 RH Barrel Twist
  • 6 Lands and Groves
  • M4 Feed Ramp
  • Button Broached
Shipping Weight 2 lbs
Shipping Dimensions 18 × 2 × 2 in
Caliber

.556 mm

Overall Length

18"

Twist

1-9

Lands and Grooves

6

Threaded

Yes

Thread Pitch

1/2 x 28

Material

4140 Chrome-Moly

Finish

Phosphate

Color

Weight lbs

2.11

Gas Block Required

.750 Diameter

Gas Tube Required

Rifle Length