4.75" 5.56 NATO SS 1:5 TWIST HEAVY PROFILE
• Chamber- 5.56 NATO
• Length- 4.75"
• Gas system- Micro Gas Length
• Gas Block Size- .750
• Threads- 1/2x28
• Finish- Matte Blasted Grey
• Twist- 1:5
• Material- 416R Stainless
• Extension- M4 Feed Ramps
• Marked for Caliber and Twist
• Gas Block Dimple
• Weight- 10.72 OZ
• Fully Made In House From KAK Industry Produced Blanks
All Barrels Are Air Gauge Inspected for Correct Bore Size & Tolerances, completed Barrels are Inspected for Proper Headspace using Calibrated Gauging.
***MICRO GAS BARRELS MAY REQUIRE SLIGHT MODIFICATION OF BARREL NUTS FOR CERTAIN RAIL SYSTEMS.
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Reviews
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Very pleased....
Very pleased with the barrel, tested everything from 40 grn to 75 grn for any tumbling issues out to 25 yards. None. I would strongly reccomend the heaviest buffer and an adjustable gas block. Only issue I had was the bolt cycling too fast and catching the case of the fired round while loading the next. One H3 and new gas block and runs like a champ.