A 6-position mil spec stock kit is an adjustable butt stock system designed for AR-15 and AR-10 rifles, allowing the shooter to select from six different length of pull positions for optimal comfort and control. The kit typically includes a mil spec buffer tube, collapsible stock, buffer, buffer spring, end plate, and castle nut. It works with AR-15/AR-10 lower receivers, buffer assemblies, and is compatible with most mil spec collapsible stocks, making it ideal for tactical, home defense, and sporting builds.
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