
PRI Fat Boy Replacement Gas Tube for M4 Carbine
The PRI Fat Boy replacement gas tube for M4 Carbine is a replacement gas tube for M16/M4 rifles that uses a 9.8” long tube. One important benefit of using the Fat Boy gas tube is that it minimizes the weapon’s cycle time to 700/850 rounds per minute. It was made for use with the known buffer system and replaces the standard gas tube with no changes to the firearm. The Fat Boy gas replacement tube is perfect for barrels with length of 12” and 14”. Failing to hold open on the last shot is one of the common signs of over buffering a weapon.
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The distinction between inferior quality and premium AR Gas Tube is undeniable. At MSP, we only offer AR15 accessories from the most trusted brands like Precision Reflex. Buy with confidence that we stand behind the product we sell.
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