Shotgunners across the nation have raved about Magpul's SGA shotgun stock designed particularly for the Mossberg 590. However, owners of the Beretta 1301 haven't been able to take advantage of this popular design. Aridus Industries changes all that with its Beretta 1301/Mossberg 590 SGA Stock Adapter. This adapter design is machined from 6061 aluminum and features a hardcoat-anodized finish that meets military specifications. The aluminum adapter is mated to a custom-designed fastener that's machined from durable 4140 steel and allows for the attachment of the SGA stock. Now, owners of the light, handy Beretta 1301 can take advantage of the enhanced ergonomics of the Mfg: Aridus Industries