This AR15 Side Charged upper will be the
most durable, rigid, functional, and accurate you can own without
The LAR OPS-4 side charged uppers comes in right,
and ambidextrous models. The aluminum charging handle is
reciprocating allowing for both: charging of weapon and forward assist.
The LAR OPS-4 upper is designed to hold much tighter tolerances for
match shooting making this upper the most durable and accurate upper on
The included bolt carrier is Nickel Boron Coated for
ultimate hardness, easier cleaning, and natural lubricity. The bolt
itself is phosphate finished. This coating has a rockwell hardness of
70+! NiB is harder than Tennifer (used on Glocks), Phosphating, and
Meloniting!This coating cleans much easier than any finish so is ideal
using suppressors, and goes longer in between cleanings regardless of
This is the AMBI side charge forged upper. Installed are BOTH right and left hand charging handles. Consumers can remove either charging handle if the shooter desires it to be right, OR left hand. Upper is only designed to be a right-hand eject, regardless of charging handle arrangement.
*Customer MUST use LAR supplied bolt catch with upper to ensure proper fit and function of side-charge upper