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Posted: 3/15/2014 11:07:34 AM EDT
| I am building my AR and I have a question about the "correct" rail length. I will have a Spikes 16" CHF mid-length barrel with a low profile gas block, I will be using MBUS sights as my primary sights until I can put optics on it, my question is this. Is it just a matter of personal preference as to the length of the rail or is there some type of rule of thumb, I am wanting to put a ST 12" BAR2 but I am wondering if there is some reason I should go shorter, thanks for any input. My use for this weapon will be mostly Range and personal protection, Mark |
| When it comes to free float rail systems there isn't really anything saying what length it needs to be. It is smart to cover the gas block as it can stop something from hitting it just right and throwing it off. As long as you are buying a solid quality rail longer length will mean a wider site radius giving you a more accurate aiming system. |
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You can go as long as you want to. I messed up and bought a 7" hand guard, which is for a carbine length gas system, I have a mid length gas system. I like the longer hand guards personally. Here is a picture of my 7" hand guard. I plan on getting a 12" hand guard before long or maybe a 15" if I can find one at a decent price.
http://i584.photobucket.com/albums/ss290/bigboyitm/Mobile%20Uploads/20140311_172100_zpstqtamlgs.jpg |
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