The Alpha MKII is made of a full aluminum construction, is built for hard use, and represents the best of modularity that Strike has to offer. If you're not already familiar with the Strike Industries line of SMC products - Strike's motto is to be innovative and to provide the best quality parts at the best prices. In the spirit of this, the MKII will include the upgraded Alpha frame, a rear back strap w/ picatinny rail, THE BACKSTRAP LITE, Strike Modular Magazine Release for p320, optic mount, Spare P320 Magazine Holder, Extended Ambi P320 Charging Handle, and all the needed hardware for mounting optics (screws and posts). Optional accessories that can be separately purchased include the Alpha Magwell, Alpha Comps (Short and Long), SMC Blast Shield (Hyper and Standard), EMP's (Polymer and Aluminum), and our FSA Single Stock/Stabilizer or FSA Dual Stock/StabilizerLike the original SMC Alpha (Standard), this model is also of "standard" or "full" length. That means this frame's dust c...