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The difference between the "F" marked and "non F" marked FSB is .04" so most rifles can be sighted in with either FSB in use and the post should have enough travel for that.
Ordered this product for an AR15-A1 Backup Upper Build, but would also work great for an A2 Upper Build as it has features of both. Looks great, and used along with a Luth A1 Style Handguard, and a 20" Barrel to build a great looking but updated AR15...
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Clone correct builder. I thought I was purchasing a splinter A forged marked C7 upper for a clone build however, what I received was a “square” forged marked upper (Not the one shown in the picture) I should have spent the extra money and purchased a...
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I’m happy with my purchase. Upper was in-spec, and as advertised. Unlike a previous reviewer, mine did come with the teardrop forward assist installed. Luth may have some QC issues, but I got exactly what I wanted and a good price.
Very nice upper and otherwise satisfied with the product but as you can see in the picture it shows a teardrop assist. The upper i received is round. Since this is going on a retro build i am going need to change it. O/P if your reading this you owe ...
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Looks great for retro build.0p packaged it great but receiver had large nick and tooling marks before it was anodized. So little disapointed in Luthar’s quality control not sure if want to send it back!
Product Info for Luth-AR AR-15 A1 Upper Receiver Assembled
A1 Upper Receiver Assembled. Start your project with our complete A1 upper receiver. Comes with the standard features of a Mil-Spec upper receiver and is forged from 7075-T6 aluminum with a hard coat anodized, tough finish. The A1 carry handle includes A1 adjustable rear sight, and perfect for building a retro M16A1E1, M16A2 Carbine Model 723, or a Model 733 Commando. The upper has a shell deflector and tear drop forward assist and dust cover. The C7 style carry handle allows mounting a scope from the era for a retro look. This upper does not have M4 feed ramps in keeping with the military A1 uppers. Use with any Mil-Spec lower receiver.
Features of Luth-AR AR-15 A1 Upper Receiver Assembled
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