I have an Amriglo front (green) on my Tuarus Pro 24/7 and a set of Meprolite white dots on my XD9. Both are great but I have to give the edge to the Meprolite. I bought both from Midway USA and had Jim's Firearms in Baton Rouge install them at a whopping cost of $25.00 per firearm.
I bought my XD Meprolite sights from Midway and Jim's Firearms on Seigan installed them for $25.00. These sights are the best I have used. I also had Truglo (green) fiber optic sight installed on my Taurus Pro24/7. Jim's also did the install for $25.00. For daytime and low light sights the...
The front sight needs to be pressed in. For the cost, don't waste your time, have the gunsmith do it right the first time. It cost me $25.00 to have mine replaced and I supplied the sights.
Go to Brownells and check out their how-to videos. Assembly of an AR is extreemly easy. The most complicated part of an AR build is setting the head space when assembling an upper and that is when you use a bolt that was procured seperate from the barrel. Save the money and have fun, build it...