I have to complete my primary weapon(M4) system. I need a sling. After some researching the magpul MS2 seems like a good option because of its versatility. Botach is having a good deal on the MS2 sling and magpul ASAP rear mount plate right know. The mount is cast steel. What is the word on the durability/quality these and/or what do you guys use for a single point sling mount? Feel free to talk me out of the magpul MS2 if you have experience with better sling systems. Thanks.