I spent 14 hours on Saturday working on ipsc rifle match, putting about 60 shooters through 3 stages on a badly-ventilated range. Despite the use of a low-level gas mask, I think I must have been overcome by fumes because I tried to formulate a Unified Theory of Range Ally (ipsc rifle). My final conclusion: it is absolutely impossible to formulate a Unified Theory, since it is so subjective. For instance: EOTech plus magnifier on hinged mount: Ally. The same, but on a carry-handle rail on a carry-handle receiver: utter mong. Neat, home-made professional-looking lightening holes/cuts: Ally. But the same but badly done so that it looks like you bought your AK from a central-African child soldier: mong. ACOG: Ally. ACOG on a SIG: mong. Angled auxiliary sight: Ally. If held on by Velcro: mong Lack of a free float tube on a heavily-modified Rifle: mong, except where this is not possible. Certain things are easier to assess in an objective manner: Any JP component: Ally. Adjustable gas: Ally. Practically any muzzle brake: Ally. Magazines which are shorter or longer than standard: Ally. Forward grips: mong Assault rigs (or any other Walt-like clothing): mong Extended sight radius in standard: Ally Any flash suppressor which did not come as standard with the rifle: utter mong (why in God's name did you spend money on a muzzle device that was not a brake?) HK SL-8: always mong, even when made to look like a G36. Steyr AUG: mong Ultra-short carbines in Standard: mong It should be noted that out-of-the-box rifles are neither Ally or mong. As for my UK gravel belly shooting, I have to say that the most Ally thing I have ever seen was a P 13, closely followed by a No.1 Mk.VI , then a Mk.V.