BudsGunShop.com - Bud's Item Number: 72057 Barrel Specs, Buffer Tube
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Does it have a Mil Spec Buffer Tube? Is the barrel chrome lined?? Barrel Steal 4140 or 4150?? Is the barrel free float?
3 Answers

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Robert, yes Sir, it has a Mil Spec Buffer Tube, 14-1/2" Chrome lined barrel with fixed vortex flash hider, 16.1" overall Barrel length, 4140 steel barrel, 1:7" twist and is free floated. It also has a Chromed barrel bore, gas key chamber, and bolt carrier.
Robert, The 14.5” barrel made of Barrel Material: 4150 CMV steel with 1 in 7” twist and fixed Vortex Flash-Hider for overall length of 16.1" and has the Armornite® Finish on Barrel - Interior and Exterior. It has the M&P Slim Lightweight free-float M-Lok handguard. This rifle does have a Chrome Lined Bore and Chamber. The Magpul MOE stock only fits on a Mil-Spec tube so the tube must be Mil-Spec.
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Robert, Answer to your questions in order-Yes Mil-Spec buffer tube, Yes Chrome lined bore and chamber, Barrel material 4150 CMV, Yes free float hand guard.