FITS: The Luth-AR Carbine Lock Ring/Castle Nut for MBA-3 and MBA-4 Carbine Buffer Kits, as well as any Mil-Spec or Commercial Carbine receiver extension.
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9.59.51GBP
100028004 LUTH-AR LLC AR-15 MBA-3/MBA-4 CARBINE CASTLE NUT BLACK STEEL Mfr Part: CS02859819007201 FITS: The Luth-AR Carbine Lock Ring/Castle Nut for MBA-3 and MBA-4 Carbine Buffer Kits, as well as any Mil-Spec or Commercial Carbine receiver extension.
FITS: The Luth-AR Carbine Lock Ring/Castle Nut for MBA-3 and MBA-4 Carbine Buffer Kits, as well as any Mil-Spec or Commercial Carbine receiver extension.