Product Description
Here is one of our favorite custom builds. We decided to try and rebuild the old school USAF 604. These are using a true 20" .625 pencil barrel with a 1/7 twist. The barrel is made of 41V50 steel and the chamber/bore is chrome lined. We have also used a A1 Bird cage flash hider on it. Upper receiver is black finished. Handguards are our new production. BCG and Charging handle are included.
Take a look at this great article about our upper http://www.gunsandgunsmiths.com/retro-ar-project/
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Colt 604 Clone upper 1/7
Excellent fit and finish. Rifle feed ramps, quality parts on this upper. Chrome lined chamber and bore. As a meticulous retro rifle collector I think the builder did a great job on assembly. Everything is straight and in spec. Quality BCG in spec as well. Now I have to shoot it and I’ll let everyone know how she runs. It’s nice having the 1/7 barrel to shoot heavier projectiles.