Ar10 picatinny brass catcher – Square Root Fab

These brass catchers mount on the forward part of your picatinny rail on your upper, these will not work if you have no room up! If you’re trying to go under you will need about 1/2” of clearance to get it on. The brass bucket easily comes off for emptying it. 

The World's Largest GUNSMITHING LIBRARY with over 24,200 printable gun schematics, blueprints, manuals and vintage guns and ammo catalogs

Over 18,500 printable gun schematics (diagrams), blueprints, manuals and antique gun catalogs

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Products – Square Root Fab

Top Rail Mounted Brass Catcher for AR15 & AR10 Rifles MKA 1919