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AR-15

dustebutt
What do you think about buying the Olympic .223 Plinker and then buying the free floating heavy stainless barrel upper for it. Do you think that would be a good investment?
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6 comments

Date Votes
  • dustebutt
    Looked at an AR-15 this weekend. Manufacture, D.P.S. Does anyone know anything about these?
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  • hughes1
    You can actually use a scope on the rifle without removing the front post. The focal length of the scope will not be hampered by the sight post. However with that said, it looks stupid and I would want to remove it too. The sight post can be replaced with a gas block, I would recomend having a gunsmith or someone who has done it before do it, otherwise it is easy to mar the weapon while drifting out the sight post pins etc. The position of the gas block is also critical because if not properly placed it can allow too little or too much gas to flow into the gas tube thus causing cycling problems.
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  • raskil
    db, hughes1 is right on the focal length. A lot of shooters leave the front post on and add a flip-up rear sight. This allows for the shooter to use a red-dot or holograph type scope for fast target acquisition such as CQB (close quarter battle)situations and if their optics ever fail (from a number of reasons) the shooter can still use the existing hard sights to aim through the scope, refered to as co-witness. If your intent is to shoot greater distance on a regular bases, a full size 20" H-bar (heavy barrel) would be a better choice. Hopes this helps.
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  • mark christian
    I use an ARMS Swan Sleeve on my Colt M4s as well as one of my AR-15 carbines and this rail mounts to the top of the receiver quite solidly and has a flip up rear sight. With the ARMS mount and matching rings I can quickly attach either a 4 power Stiener scope, a 3.5X10 Leupold, a Trijicon Reflex, or an Aimpoint unit in seconds and have the rear sight available if I need it. The GG&G company offers a fold down front sight in addition to their pop up rear sight and these folding front units replace the existing assembly but these GG&G items are expensive and you will need the services of a gun smith for installation. I sell Colts for a living and I've never once felt the need to chop off the front sight assembly because I don't find it to be much of a bother using any type of optics.

    Mark T. Christian
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  • dustebutt
    Why then does Colt make the handle removeable when there is a front sight in the way of the scope? I am not sure that I asked the right question. If I put a scope on the gun mounted to the rail that the carry handle and rear sight is mounted on then the whole front sight set up is in the way of sight picture.
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  • Boomerang
    Let me attempt to explain this. You will find that a scope on an AR will not be mounted as close to the barrel as it is on most bolt action rifles. On ARs you will find that you will need to raise the scope to about the level of the original sights for comfort and eye placement above the straight stock or an AR. This means that the scope will only pick up the top portion of the front sight, not the whole front sight. For most scopes at powers of 4 and above you will not see the sights due to the way optics work. The front sight will be only a faint blurr. B-Square and ArmaLite make forward offset integral scope mounts for this application. The B-Square cost about $50 and the ArmaLite cost about $100. Either is fine on an AR type rifle. I prefer the ArmaLite mount because it has big thumb screws for tightening the scope to the rifle.

    Boomer

    "Success is to be measured not so much by the position that one has reached in life as it is by the obstacles which one has overcome while trying to succeed"

    . and the antithesis to this philosophy was uttered by Bill Clinton "I smoked it, but I didn't inhale."[V]

    NRA Life Member
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