Don't know to much about Davidson Defense so, was wondering on your thoughts of this upper?
NEW! Davidson Defense Assembled Upper 5.56 Nato 1:7 Phosphate Barrel KeyMod Handguard Birdcage Muzzle Brake 5331
NEW! Davidson Defense Assembled Upper 5.56 Nato 1:7 Phosphate Barrel KeyMod Handguard Birdcage Muzzle Brake 5331