Hi there, I'm trying to build a clone L115A3 out of a standard AWSM .338 Lapua (L115A1). I just have a really simple question, is there any visible difference between a L115A1 and L115A3? From what I can see, the A3 model is just the A1 with a few add on accessories (new bipod, scope and mount, and a suppressor). Correct me if I'm wrong, but the rifle itself is almost identical other than the picatinny rail on the receiver of A3. Cheers.