AR-15 Upper Parts

Geissele Automatics MK16 M-LOK AR-15 Super Modular Rail The Geissele Super Modular Rail MK16 offers unmatched performance for the most demanding shooters. Mounted to your AR-15 upper using the updated version of the proven Geissele Barrel Nut design, the...

Rise Armament AR-15 RA-905 M-LOK Handguard More versatile than a Swiss army knife - and nearly as light - the RA-905 Handguard combines all the features you want in a handguard. Durable yet lightweight, it is M-LOK compatible with a Picatinny upper rail...