Nikon 8405 User Guide
Nikon 8405 - Omega Riflescope With Bullet Drop Manual
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UPC - 018208084050
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Nikon 8405 manual content summary:
- Nikon 8405 | User Guide - Page 1
new Nikon scope offers an intangible that is essential to good shooting - confidence. Whether you are firing the final shot into a one-hole group or placing your crosshairs on the trophy of a lifetime - you can trust that your Nikon will do its job. Your riflescope features Nikon's new BDC reticle - Nikon 8405 | User Guide - Page 2
calibers. Nikon has designed this BDC reticle to blend simplicity with accuracy - a difficult challenge considering the huge number of variables involved in placing a bullet drop compensating scope on a rifle. These would include: • The mounting system and how true it positions the scope - Nikon 8405 | User Guide - Page 3
of the basics: • All base and ring screws should be properly tightened. LocTite should be applied if suggested by the manufacturer of the scope mounts. • The scope must be positioned in the rings to ensure correct eye-relief. You should see a complete field of view upon bringing the rifle to firing - Nikon 8405 | User Guide - Page 4
Sighting-in Your Nikon Riflescope There are two ways to sight in a rifle - the simple way or at 20 or 25 yards. Then fire a shot at this dot from a stable shooting rest. Unless your scope mounting system is very incompatible with your rifle you will hit the target somewhere. Now for the neat trick! - Nikon 8405 | User Guide - Page 5
have a friend carefully turn the turrets while you look through the scope and provide directions. Fire one shot to confirm that your scope is now zeroed on the close range dot. Make minor corrections if required. The object is to get the point of aim identical to the - Nikon 8405 | User Guide - Page 6
circles are positioned to enable accurate placement of shots out to four hundred to six hundred yards, depending on the caliber of your rifle. The NIKON BDC reticle system is user-adjustable. The shooter can actually tailor the performance of the reticle to his particular rifle and load - Nikon 8405 | User Guide - Page 7
but some game species and habitats require longer shooting. Shots past 250 to 300 yards require hold-offs with most popular hunting cartridges. Nikon has developed a simple technique for tuning the accuracy circles in the BDC reticle to the trajectory of your particular load. The bottom line - Nikon 8405 | User Guide - Page 8
mounts. Loose bolts and screws will destroy accuracy. Your barrel should be clean and free of accuracy robbing copper-fouling. Your scope lenses should be clean. Your ammunition should be the most accurate you can purchase or reload for your particular rifle. The final consideration is you - - Nikon 8405 | User Guide - Page 9
to shoot as accurately as possible so the rifle must be supported at the front and rear in good sandbags or rests. . In the field use a bipod, shooting sticks or any padded object to support the fore-end. Use another object to support the rear portion of the stock if at all possible. • Do not allow - Nikon 8405 | User Guide - Page 10
of a breath, do not hold your breath. Shoot in the natural respiratory pause. • In the field you should use your entire body as a shooting platform. Support the rifle with your bone structure rather than your muscles if possible. Always look for an expedient field rest. Even in the field try to - Nikon 8405 | User Guide - Page 11
weights. There is only one way to determine how the accuracy circles work with your rifle and load - that is by actual shooting. The Nikon BDC will offer hold-off aiming points for two hundred, three hundred, four hundred and five hundred yards. For maximum confidence we suggest shooting your rifle - Nikon 8405 | User Guide - Page 12
Other variables such as • temperature • humidity • altitude • barrel length • bullet design • cleaning techniques • the final variable is you - the shooter! Let's face it, right out of the box no reticle can be expected to match every rifle and every trajectory perfectly. That is simply impossible - Nikon 8405 | User Guide - Page 13
out can you place your first shot into a ten-inch paper plate - every time? Let's call that your personal lethal hunting distance. The Nikon BDC reticle will help you extend your personal lethal hunting distance and to shoot with complete confidence within that range. Other variables that can effect - Nikon 8405 | User Guide - Page 14
setup does not match the drop chart above, have not fear, the BDC reticle can and will still work perfectly for you. By using a to your particular setup. The Nikon BDC can be fine-tuned to your requirements by a simple field shooting procedure as follows: • Zero the scope at one hundred yards so - Nikon 8405 | User Guide - Page 15
longer then move the point of impact up two or three inches above the point of aim. • Set up a large cardboard target. The target should be at least three or four feet tall and two or three feet wide. Larger is better since we must catch each shot fired. Place an aiming mark at the top of the large - Nikon 8405 | User Guide - Page 16
using your felt marking pen. • Go back to the firing position and align your scope on the aiming point and note where the X is relative to the accuracy circles. group is not in a particular circle. • Vary the power setting on the scope to move the closest circle to the center of the group. You might - Nikon 8405 | User Guide - Page 17
increments and repeat the firing procedure. Note exactly where your groups form relative to the circles. Do not move the magnification ring on the scope. Note the relationship between the center of each group and the circles and make simple notes to describe the correlations. • Consider moving your - Nikon 8405 | User Guide - Page 18
and bottom with the vertical crosshair or the center of the circle. After tailoring the Nikon BDC reticle your longrange hold-offs will be based on confidence rather than guess-work! Care of your Nikon Scope Rifle scope lenses should be kept as clean as possible during use. Never clean debris and - Nikon 8405 | User Guide - Page 19
The NIKON LENS PEN is an excellent field accessory that will ensure proper cleaning circles on the lens, ending with a simple twirl in the center. Wipe the main tube of your scope with a clean dry cloth to remove fingerprints and surface blemishes. Debris such as mud should be removed with a
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Thank you for selecting this Nikon riflescope.
We sincerely appreciate your trust in our
products. Nikon riflescopes offer superior
optics,
rugged
construction
and
reliable
performance. Your new Nikon scope offers an
intangible that is essential to good shooting –
confidence. Whether you are firing the final
shot into a one-hole group or placing your
crosshairs on the trophy of a lifetime – you can
trust that your Nikon will do its job.
Your riflescope features Nikon’s new BDC
reticle.
BDC
stands
for
Bullet
Drop
Compensation – a fancy term for hold-over. If a
longer shot presents itself, the BDC will provide
confident hold-off capabilities if the shooter
has done his homework.