Replacement Steel Barrel Nut for the AR-10 308 M38M Series Handguards. SKU: M38MBN
Replacement barrel nut for our Presma Series AR-10 308 M38M Free Float handguards . This is the barrel nut set up that needs to be timed with shims (not for the non timing type set ups or for the Slim Series handguards).
Steel Barrel nut, screws and shims included.