Leupold Riflescopes Hillsboro OR

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Al''Shardware & Gun Repair
(503) 357-2441
4080 N.W. Heesacker Rd
Forest Grove, OR
Beaver Creek Armory
(503) 481-4848
2020 Aloclek Dr Ste 118 H
Portland, OR
O'Harra, Jeffry D & O'Harra, Lelan F
53000 Hwy 204
Weston, OR
Hemphill, Ronald D
1850 Se Lincoln Rd
Prineville, OR
Brookings Sports Unlimited
(541) 469-4012
P.O. Box 4460
Brookings, OR
Bert''S Guns
(503) 612-6552
21208 SW Arapaho Ct
Tualatin, OR
Force Ten / Cloud Mt Armory
(503) 554-5997
310 E 1st.
Newberg, OR
Supply Depot, The
310 Se Railroad Ave
Bend, OR
Nosler, Inc
107 Sw Columbia St
Bend, OR
Past Tenths Sports Inc
61137 Rough Rider Lane
Bend, OR

Leupold Mark 4 Riflescope Review

Over the last few years the interest in higher power scopes with more durability has increased among hunters. Some hunters look to these scopes to improve visual clarity at longer ranges in order to increase the range at which they can consistently make a kill shot, while others want a more rugged scope that can take a few bumps and scrapes. For decades Leupold has developed their line of tactical Mark 4 scopes that offer both a rugged scope and optical superiority. For this review we'll be taking a look a the Mark 4 lineup of scopes along with a closer look at a Mark 4 LR/T 4.5-14x50mm Illuminated Mil-Dot scope.

The Leupold Mark 4 Riflescope. Our review model is a LR/T
4.5-14x50mm with Illuminated Mil Dot reticle and M1 turrets.

The Leupold Mark 4 line is diverse with three main lines of scopes and some additional AR-style rifle focused scopes that we will not be covering at this time. Broadly the Mark 4 line is divided into the LR/T, the ER/T, and MR/T series. The LR/T features a 30mm main tube which allows for an extensive amount of adjustment in elevation and windage. The ER/T is a higher end version of the LR/T with improved optics which allows better low-light clarity at a much higher cost than the LR/T. The MR/T series is based around smaller scopes with lower magnification that are best suited on AR-style rifles.

The excellent end to end turret adjustment of 100 MOA with the LR/T allows the long range shooter to correct bullet drops of at least 50 MOA assuming the reticle was originally sighted in at the middle of the elevation adjustment. By sighting in toward the top end of the turret adjustment (and using a canted 10-20 MOA base ) it is possible to get even more of the 100 MOA geared toward the bullet drop at longer ranges. Considering that 308 Win will drop around 37" at 1000 yards (168gr Sierra Match King at 2650 fps muzzle velocity with a 300yard zero), this allows the Mark 4 LR/T to accomplish all the long range adjustment necessary without using a canted based. Magnum cartridges that drive the bullet faster will drop less at further distances and need less correction.

Both M1 turrets are marked in 1/4 MOA with 15 clicks in one
revolution. Turrets can be recentered after zeroing the rifle.

Because the Mark 4 line is used primarily for precision shooting, the reticle choices are limited to the standard Mil Dot and TMR (tactical milling reticle) reticles, although with some Mark 4 scopes it is possible to have the scope equipped with a duplex cross-hair. The Mil Dot and TMR reticles work very well for those that are willing to figure out the external ballistics of their given cartridge. Obtaining such data can be done simply by shooting paper at various ranges and noticing how bullet drop corresponds to the evenly spaced dots on the reticle. However it is easier to use a program such as Sierra Infinity software to calculate the external ballistics and have the drop described in Mils. One can also use the excellent onl...

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