First make sure the weapon is unloaded! Then remove the upper from the lower half of the rifle. Using a 1/16″ Allen wrench, remove the bolt catch pin. A long straight Allen wrench as pictured is easiest, but you can also use a small L shaped Allen wrench as well. Place the Phase 5 bolt

With suppressor use becoming more and more legal and popular, it should be noted that the Carbon Fiber rifle was never designed for use with suppressors due to the increased back pressure. For anyone who has purchased a Carbon Fiber rifle and wishes to use a suppressor, the receivers have to be upgraded to aluminum.

The vast majority of AR15 shooters have a good idea about how the weapons work, but for those of you that might like a clearer view, here is a look inside. First, here is the gas port coming out of the barrel and into the gas block. When a round is fired and the bullet

I get this question every now and then. “Why don’t you use ‘F’ marked front sight bases?” I recently found this excellent video online that explains the original reason for the “F” marked front sight base, and how it really doesn’t make a great deal of difference whether the front sight base is the taller

First make sure rifle is unloaded! Then remove upper from lower. Now drive out the hammer and trigger pins to remove hammer, trigger and disconnector. Then unscrew and remove pistol grip screw and carefully remove being sure not to lose the safety detent or spring. Note orientation of detent for reinstallation later. Remove safety selector.

We sent our friend Paul Glasco at Legally Armed America one of the first RMCS-4 Multi-Caliber Rifle Kits, and he put together a terrific video showing how all the components of this 4 caliber AR system work and interchange. Check it out on YouTube at: https://youtu.be/XLGDEuEIchM If you ever have questions about your rifle, you

I’ve had a few customers call me since we introduced the Carbon Fiber rifles saying they were trying to install a free float handguard and the barrel nut would not fit on the upper receiver. The barrel nut on our Carbon Fiber rifles has a different diameter thread than a standard AR15 barrel nut. This

This article is a little different from other gunsmithing tips and procedures. Since I have seen at least 3 returns come in with this problem I think a warning is in order. It can not be stressed enough to match your ammunition to the markings on the barrel! The following are photos of a rifle

First make sure the rifle is unloaded! If you need a good option for back up iron sights but have no room for conventional sights because of your scope set up, the Diamondhead D-45 sights may be just what you need. With these sights you can flip them out and aim down the side of

First make sure the rifle is unloaded! With the chamber plug that came with the rifle or some other non-marring punch, push the magazine catch button in as far as it will go. Unscrew the magazine catch from the button and remove. Put the Troy mag catch in the lower and screw the button in

First make sure the rifle is unloaded, and push out the takedown and pivot pins to remove the lower from the upper receiver. Put the selector on fire and drop the hammer. With a 1/8″ punch, drive out the hammer and trigger pins and remove the hammer, trigger and disconnector. Now with a 3/16″ T

First make sure rifle is unloaded. Then remove receiver from the lower. Place the lever over the bolt catch. Place backing plate behind the bolt catch. Install and tighten screw with provided Torx wrench. You can now engage and disengage the bolt catch with your trigger finger for rapid operation of the bolt catch. (Note