Product Information:

In september 2011 we began shipping the 2nd generation big boy rifles which features receivers that are drilled and tapped for the scope mount. In previous production 1st generation the barrels were drilled and tapped if rollmarked bayonne NJ first generation Big Boys use the BB-CSM cantilever Scope Mount. 2nd generation current production use the new style BB-RSM Receiver Scope Mount. 2nd generation Big boys start with the following serial numbers: 

*The new picatinny scope base for 2nd generation big boys. Will fit all 2nd generation brass models and all steel big boys.