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Rainier Arms Introduces CHF Barrels

Started by enthusiasts for enthusiasts, Rainier Arms has introduced their own line of AR-15 Cold Hammer Forged (CHF) barrels. These barrels are made from Chrome Moly Vanadium steel with chrome lining, heavy mil-spec phosphate exterior coating and are magnetic particle tested. All barrels are chambered in 5.56 NATO with a 1:7 twist, and are available in 14.5 or 16 inches in length. Each length is available in either government or lightweight profile.

One nice touch from Rainier is that a pinned low profile gas block is included with their CHF Barrels. MSRP for the Rainier Arms Cold Hammer Forged Series barrels is $299.95, but are currently available for $284.95 at

  • Barrel Material: Chrome Moly Vanadium Steel
  • Barrel Type: Cold Hammer Forged
  • Barrel Caliber: 5.56 NATO
  • Barrel Twist: 1:7
  • Barrel Length: 14.5” or 16″
  • Barrel Profile: Government or Lightweight Profile
  • Barrel Gas System: Mid-Length
  • Gas Block: Pinned Low Profile
  • Inside Finish: Chrome Lined
  • Outside Finish: Military Specification Heavy Phosphate Coated
  • Muzzle Thread: 1⁄2×28 TPI (Threads Per Inch)
  • Gas Port Diameter: Government .725 or Lightweight .625
  • Barrel Extension: M4
  • Weight: 1 lbs 4oz (14.5” LW), 1 lbs 8 oz (14.5” Gov), 1 lbs 8 oz (16” LW), 1 lbs 10 oz (16” Gov)
  • Made in the USA!

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