4/14/2023 0 Comments 7mm 08 ar10 barrel![]() I use Hart barrels exclusively and their team is always friendly and accessible. "I have a lot of respect for the Hart family and the excellent Hart Barrels are properly hand-lapped, from the beginning, which means no break-in period and no F.P.S variations." They do not 'speed up' after a few hundred rounds, like other fast production rifle barrels. "Hart Rifle Barrels are truly world class barrels. standards.Įach Hart Rifle Barrel is contoured on a CNC lathe, then hand-lapped to ensure the best possible interior finish. ![]() While many gun makers use "seconds,” our scraps are sent to a recycling plant.Įvery barrel that leaves our shop is individually inspected several times to make sure it meets our high quality that will affect accuracy. Our barrels are button rifled with six grooves. Hart Barrels are hand-made from only the highest grade of stainless steel (416R). If any manufacturer error is indicated, we will replace it, free of charge. If your Hart Rifle Barrel has a possible defect, send it to us for a careful inspection. ![]() 0001 from breech to muzzle.Įvery Hart Rifle Barrel is measured with an air gage and examined with a borescope to ensure that there are no tool marks or other defects that will affect accuracy. Every Hart Rifle Barrel is guaranteed to have a groove dimension tolerance of +.0005″ (for example: a.
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