I'll admit that with so many M4 pattern AR-15 carbines chambered ... the mil-spec trigger for a drop-in upgrade will shrink group sizes even more. The LumaShark handguard is one of the brightest ...

The “dissipator”-style AR-15 has its roots ... round polymer handguard. Unlike some dissipator ARs that use a carbine-length gas system and low-profile gas block, Anderson’s rifle uses ...