Tag: Spartan S3

Spartan S3

Spartan S3 Upper from Zel Custom

Zel Custom has a new upper for the AR-10 and LR-308 platforms called the Spartan S3. ┬áThe Spartan S3 is a bolt action upper that allows an owner to shoot .50 BMG, .416 Barrett and .338 Lapua. ┬áThis upper is similar to other uppers by Zel Custom (and other [Read More…]