Winchester Repeating Arms BOSS (Historic Manual) - Manual (Page 2)

THE BOSS™ AND YOUR MODEL 70.
(BALLISTIC OPTIMIZING SHOOTING SYSTEM)
These are additional instructions specific to your BOSS™
equipped Model 70 rifle. Please read and understand the
cautions and proper handling procedures outlined in this
booklet and in your Model 70 owner’s manual, before
using your new BOSS equipped rifle. If you are missing
the operating manual for your rifle, we will send you a
free manual on request.
WARNING: THE “BOSS” INCLUDES A RECOIL
VIDES SUBSTANTIAL INCREASED
NOISE / MUZZLE BLAST. ALWAYS WEAR
ING LOSS OR DAMAGE.
REDUCING MUZZLE BRAKE WHICH PRO-
HEARING PROTECTION TO PREVENT HEAR-
CAUTION: THE THREADING ON YOUR BAR-
REL IS FOR COMPONENTS FOR THE
U.S. REPEATING ARMS CO. BOSS ONLY. DO
NOT INSTALL ANY OTHER DEVICE ONTO THE
WINCHESTER MODEL 70 BOSS BARREL. DO
NOT INSTALL THE BOSS DEVICE ON ANY
RIFLE WHICH IS NOT DESIGNED AND FITTED
FOR THE BOSS BY U.S. REPEATING ARMS
CO. DOING SO MAY CAUSE SERIOUS INJURY
OR DEATH TO YOURSELF OR OTHERS.
The Model 70 is considered by many to be the most per-
fectly designed rifle ever. The Model 70 is a rifle of histo-
ry and unequalled modern performance — especially with
the revolutionary BOSS. U.S. Repeating Arms Co. is
excited to offer this incredible new patented technology
on the Winchester Model 70.
The BOSS gives the Model 70 a degree of accuracy found
only on expensive custom rifles. The Model 70 offers the
rifleman the best of two worlds: traditional craftsmanship
and the latest in modern rifle technology. Now, more
than ever, it is truly “The Rifleman’s Rifle.”
HOW THE BOSS™ WORKS
Barrel vibrations are the primary cause of rifle inaccuracy.
Every time a rifle is fired, barrel vibrations are set in
motion. These vibrations occur in all directions, even
back and forth along the axis of the barrel. They are
influenced by many factors such as bullet type, bullet
weight, primers, different powders and even barrel config-
urations.
The BOSS (Ballistic Optimizing Shooting System) is an
adjustable weight that alters rifle barrel vibrations. By
adjusting the weight on the BOSS, you can tune your
rifle to specific ammunition, allowing a bullet to consis-
tently exit the rifle muzzle at the optimum point in barrel
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