For decades, Shooting USA has been a leading video resource for the shooting sports and hunting. This popular cable TV show covers shooting matches, and provides expert information on precision shooting, gun maintenance, optics, and defensive firearms use. Here are five interesting videos all worth watching. Learn about wind-reading, gun maintenance, and optics.

1. Reading the Wind — SGT Sherri Jo Gallagher of USAMU

Sergeant Sherri Jo Gallagher formerly of the U.S. Army Marksmanship Unit (USAMU) shows us how to read the wind in given conditions, and how to apply your wind assessment when aiming down-range. During her time with the USAMU, Sherri won the National High Power Championship, and was the first woman in history to earn the U.S. Army “Soldier of the Year” honors. Sherri comes from a legendary family of shooters — she was raised by Ace Marksman Mid Tompkins and mother Nancy Tompkins, the first female to win the NRA National High Power Championship.

2. Field-Stripping and Cleaning AR-Platform Rifles

Let’s face it — Black Rifles run dirty. On AR-platform rifles, the gas system blows carbon and powder residues back into the action and bolt carrier group. Accordingly, you need to clean ARs early and often, and you should fully disassemble the bolt carrier to access parts and recesses which accumulate greasy lube and hard carbon. This helpful video shows how to field-strip and clean AR-platform rifles. If you own an AR, this is definitely worth viewing. With over 2.7 million views, this is the second most-watched video on Shooting USA’s YouTube Channel.

2. MOA Defined — Jim Scoutten Explains Minute of Angle

Minute of Angle (MOA) — this is the most common measurement of group size, and hence rifle accuracy. You hear about shooters hoping to shoot 1 MOA or “half-MOA”, but many folks could not give you a precise definition. In fact MOA is an angular measurement that equates to one-sixtieth of one degree of Arc. In this video, host John Scoutten defines MOA. He then demonstrates how MOA translates to accuracy on target. He demonstrates one-half-MOA accuracy with a Les Baer Custom rifle. This company offers a three-shot, half-MOA guarantee for its rifles.

4. How to Adjust for Parallax

Most precision rifle scopes have parallax adjustment, typically a knob on the left side of the scope. but what exactly is “Parallax” and why do you need to adjust optics to ensure the parallax setting is optimal? In this Shooting USA video, John Paul of JP Rifles defines parallax and explains why you need to set parallax correctly for the distance to your target. The video then shows how to adjust parallax correctly, a process which should start with the scope’s ocular focus.

5. How to Mount a Riflescope

When mounting a scope you want to use quality rings, and ensure that the scope is leveled properly. In addition, you need to adjust the fore/aft position of the scope so that eye relief is correct. Ideal scope position may be different when shooting from the bench vs. shooting prone. In this Shooting USA video John Paul of JP Rifles reviews scope mounting basics.

PARALLAX – What is it and Why is it important?

What is Parallax?
Parallax is the apparent movement of the scope’s reticle (cross-hairs) in relation to the target as the shooter moves his eye across the exit pupil of the riflescope. This is caused by the target and the reticle being located in different focal planes.

Why is it Important?
The greater the distance to the target and magnification of the optic, the greater the parallax error becomes. Especially at longer distances, significant sighting error can result if parallax is not removed.

How to Remove Parallax
This Nightforce Tech Tip video quickly shows how to remove parallax on your riflescope.

While keeping the rifle still and looking through the riflescope, a slight nod of the head up and down will quickly determine if parallax is present. To remove parallax, start with the adjustment mechanism on infinity and rotate until the reticle remains stationary in relation to the target regardless of head movement. If parallax has been eliminated, the reticle will remain stationary in relation to the target regardless of eye placement behind the optic.

This Parallax Discussion first appeared in the Nightforce Newsletter.