* Does not apply to S&W model 640 revolvers.
** If you have problems with any of the above,return firearm ■ to FTB.
870 MAGAZINE EXTENSION (IMPORTANT)
Remington 870 magazine extensions are often incorrectly assembled to weapons. This can cause malfunctions and damage to weapons.
To assemble extension to weapon: Seat barrel firmly into receiver Do not jam barrel against ejector. Screw magazine tube coupling tightly onto magazine of weapon, the magazine tube extension shou not be attached to the coupling at this point.
Insert magazine spring into tube and screw magazine tube extensioi into coupling. Be sure magazine follower is in weapon.
Do not tighten excessively.
Assemble magazine extension bracket to barrel and magazine tube extension. Screw hole should align with detent in extension.
Insert and tighten bracket screw.
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