TKO Discovery Muzzle Brake Installation - Discovery Rifle
SURE THE RIFLE IS UNLOADED AND THE HAMMER ISN'T COCKED.
Remove the end cap. It won't fit after the LDC is installed
Using a small screwdriver, remove the screw that holds on the
Using a 5/64 allen wrench, loosen and remove the muzzle weight.
Slide the LDC onto the barrel. Rare variations in Crosman barrel
diameters may require shimming or sanding. (Rarely needed.)
DO NOT TWIST the LDC to install. Press the LDC straight on,
with the set-screws on either side.
Press the LDC onto the barrel until the end of the LDC base
is even with the edge of the air tube fill cap. See picture
a 1/16 allen wrench to snug the set screws against the barrel.
Not too tight as you could strip the threads or marr the barrel
You can shoot your Discovery without the fill cap, but the altered
end cap looks better.
If removing the LDC, don't twist. Press the LDC base off.
front sight is the correct height for the muzzle brake...just
glue it onto the brake and you're set to shoot open sights!
TKO Discovery Muzzle Brake Installation -
Crosman 22xx Rifles and Pistols Be
sure the gun is unloaded.
the front sight from the barrel. You can use a wood dowel
to tap it off.
the TKO Muzzle Brake onto the barrel (try to avoid "twisting"
the brake on) until the set-screws are 1/4" behind
the muzzle of the barrel.
tighten the set screws, alternating each screw until just
snug. The set screws have a cupped end that will "bite"
into the barrel. Your front site will cover any marks if
you remove the brake and replace the sights.
the gun to be sure there isn't any pellet clipping. If the
brake is clipping pellets, loosen the set-screws and rotate
the brake 1/4 turn and re-tighten screws, then re-test.
Mike Tiehen 323
South 50th St.
Omaha, NE 68132