Originally Posted by
Hyprlite2007
Im looking to change my Bushmaster M4A1 from a fixed carry handle to a flat top, I found a flat top receiver but the barrel is not included, I do not have the most experience in this field and have never taken the barrel off, is this something I should take to a gunsmith (hate to spend the money) or is this something I could to myself with the right tools and precautions? Also would it be worth it price wise to use the upper w/o the barrel, take it to the gunsmith and have it installed or just spend the extra $150 and just get a whole new upper? Any help would be much appreciated before I follow through with the transformation.
Thanks alot