I did receive the fixed stock and have it installed on the rifle. I also had ordered a extended butt-pad, the PRS, .80". When you remove the original, .25", and add the extended version, you gain about 1/2". This give a LOP of about 12, 3/4" inches, which works great for me. I am a smaller guy and usually end up reducing LOP on my guns anyways. When I shoulder the gun, it feels great, my nose is not quite at the charging handle, but about 1" back. I also love how solid the stock is. Before, with the cheap MOE adjustable, it was so wobbly, it made the whole gun feel like a cheap toy. The fixed stock is rock solid by comparison. I understand what you are saying about modifying the adapter, I'll keep it in mind. I am using the solid adapter, the one without the space for the ASAP sling mount system.