Insert magazine follower and magazine spring into tube. ..

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Combat Arms M870 Training
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OVERVIEW

• CLASSROOM PROCEDURES
• BASIC SAFETY RULES
• MECHANICAL TRAINING
• CLEARING PROCEDURES
• NOMENCLATURE
• DISASSEMBLY ASSEMBLY
• CLEANING, INSPECTION, AND LUBRICATING
• FUNCTION CHECK
• AMMUNITION HANDLING
• LOADING UNLOADING
• STOPPAGES MALFUNCTIONS
• METHODS OF DESTRUCTION

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AF FM 522
A, B
DM
355 SFS/SFTC DM AFB, AZ
10
M870 AFQC
TODAYS DATE
INT, REC, TDY, PCS, AUG WEAPON ROUNDS
PULLED FIRING POINT
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WEAPON SAFETY

• Always treat and handle every weapon as if it
  were LOADED. Until you clear it.
• Always keep the muzzle/barrel pointed in a safe
  direction.
• NEVER point a weapon at anyone or anything you do
  not intend to shoot.
• Always keep your finger away from the trigger of
  any weapon until you intend to shoot.
• Avoid shooting at hard surfaces or the surface of
  water.
• Never handle weapons when you are under the
  influence of alcohol or medication.
• Use only the designated ammunition.

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CLASSROOM SAFETY

• Do not point the weapon at yourself or others
  during weapons handling exercises.
• Handle the weapons only when instructed.
• No HORSEPLAY will be tolerated.
• Don't get ahead of the instructor and don't
  anticipate instructions.
• If at any time you don't understand the
  instructions, ASK QUESTIONS!

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DESCRIPTION AND CHARACTERISTICS

• REMINGTON, MODEL 870 SHOTGUN
• 12 GAUGE, PUMP ACTION
• MANUALLY OPERATED
• TUBULAR MAGAZINE FED
• SHOULDER FIRED
• BARREL LENGTH--20 INCHES

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MECHANICAL FEATURES

• CROSS BOLT SAFETY
• CHOKE--PLAIN CYLINDER
• MAGAZINE ADAPTER
• BARREL IS SMOOTH BORE--NO LANDS AND GROOVES

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CLEARING PROCEDURES

• STEP 1 ENSURE THE MUZZLE IS POINTED IN A SAFE
  DIRECTION.
• STEP 2 PULL BACK ON THE FORE END.
• STEP 3 INSPECT CHAMBER.
• STEP 4 PUSH FORE END FORWARD.
• STEP 5 ENSURE SAFETY IS ON. (RED NOT SHOWING)
• STEP 6 ENSURE THE MAGAZINE IS EMPTY.

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NOMENCLATURE
TRIGGER GUARD
SAFETY
TRIGGER
RECEIVER ASSEMBLY
STOCK ASSEMBLY
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NOMENCLATURE
FORE-END ASSEMBLY
BREECH BOLT ASSEMBLY
ACTION BAR
EJECTION PORT
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NOMENCLATURE
BEAD FRONT SIGHT
BARREL ASSEMBLY
MAGAZINE ADAPTER
TUBULAR MAGAZINE
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DISASSEMBLY

• ENSURE WEAPON IS CLEAR
• OPEN ACTION
• Remove adapter sleeve assembly.
• Unscrew and remove upper adapter sleeve from
  lower adapter sleeve.
• Unscrew and remove magazine tube extension
  assembly from magazine tube coupling and remove
  loosened lower adapter sleeve assembly.

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DISASSEMBLY CONT

• REMOVE BARREL
• Unscrew and remove magazine coupling. Magazine
  spring is under tension.
• Remove magazine spring.
• Remove magazine follower.
• Ensure action is open/fore-end to the rear
• Pull barrel forward to disengage from magazine
  tube.

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DISASSEMBLY CONT

• REMOVE FORE-END AND BREECH BOLT ASSEMBLIES
• Depress front left shell latch and slide.
  Fore-end off magazine tube.
  
• Remove breech bolt assembly (with locking and
  slide)

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DISASSEMBLY CONT

• REMOVE TRIGGER PLATE ASSEMBLY
• Ensure safety is on.
• Use punch and mallet to drive out trigger plate
  pins.
• Grasp trigger guard, lift up and down to remove
  from receiver.

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ASSEMBLY

• INSTALL BREECH BOLT BREECH SLIDE ON FORE-END
  ACTION BAR GROOVES
• Slide fore-end with breech bolt assembly over
  magazine tube and in to receiver.
• Depress right shell latch and move assembly
  rearward as far as possible.
• Depress action bar lock, to fully retract action.

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ASSEMBLY CONT

• ADAPTER ASSEMBLY
• Insert magazine follower and magazine spring into
  tube.
• Install lower adapter sleeve onto extension.
• Install tube extension with adapter assembly on
  the weapon.
• Screw magazine tube extension assembly to
  magazine tube coupling.

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ASSEMBLY CONT

• TRIGGER PLATE ASSEMBLY
• Close action.
• Insert trigger assembly with carrier going first.
• Push downward on the trigger guard until assembly
  is flush with receiver and holes are aligned.
• Tap in trigger plate pins.
• Push up on carrier until action bar lock is
  visible ride along and not override bottom edge.

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FUNCTION CHECK

• Ensure weapon is clear and fore end is locked
  forward.
• Depress action bar lock and pull fore end to the
  rear. Feel for action bars binding.
• Lock fore end forward.
• With safety on, pull trigger. Weapon should not
  fire.
• With safety off, pull trigger. Weapon should fire.

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AMMUNITION

• 12 gauge
• Projectiles
• 00 buckshot
• 9 pellets per shell
• Pellets approx--.32 caliber
• Made of LEAD
• Max. effective range 68 meters
• Max range approx--700 yards
• Muzzle velocity approx--1200 fps

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PACKAGING

• M-2A1 metal can.
• Two cans per wire bound case.
• 120 rds. Per can, 240 rds. per case.
• 10 rds. per box.

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CARE AND HANDLING

• Dont open until ready for use.
• Protect from weather--direct sunlight, high
  temperatures.
• Controlled temperature preferred.
• Dont oil or lube ammo.
• If light corrosion discovered, can be wiped off
  and made serviceable.

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LOADING

• ENSURE WEAPON IS CLEAR
• Safety on.
• Fore end locked back.
• Chamber empty.
• Magazine tube empty.
• With support hand on pistol grip of butt stock,
  hold shotgun upright. Keep butt stock snug
  against side of body.
• Lock fore end forward (action closed)

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LOADING CONT

• Using support hand load shells into magazine
  tube through bottom of receiver. Push shells all
  the way in until secure in magazine.
• Load as many rounds as needed or until magazine
  is full.

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UNLOADING WITHOUT ROUND IN CHAMBER

• Ensure safety is on.
• Point shotgun in a safe direction.
• Depress action bar lock and pull fore end fully
  to the rear.
• Return fore end fully forward.
• Close and open the action repeatedly until all
  rounds are removed and the magazine is empty.

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UNLOADING WITH A ROUND IN CHAMBER

• Ensure safety is on.
• Point shotgun in a safe direction.
• Depress action bar lock and pull fore end slowly
  to the rear until the front of the shell clears
  ejection port.

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UNLOADING WITH A ROUND IN CHAMBER CONT

• Move the fore end forward and then to the rear.
  Catch the shell with free hand as it falls from
  ejection port.
• Close and open the action repeatedly until all
  rounds are removed and the magazine is empty.

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MALFUNCTIONS AND STOPPAGES

• STOPPAGE
• MALFUNCTION
• MISFIRE
• IMMEDIATE ACTION
• Attempt to fire again

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IMMEDIATE ACTION

• Attempt to fire again
• Push forward on the fore end. If fore end wasnt
  locked forward attempt to fire again.
• If weapon still wont fire, rapidly pull fore end
  back, ejecting the bad round and push forward
  chambering the next round.
• Press trigger again!

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METHODS OF DESTRUCTION

• MECHANICAL
• BURNING
• DEMOLITION
• DISPOSAL
• GUNFIRE
• COMMANDERS DECISION

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CLEARING BARREL PROCEDURES

• LOCAL PROCEDURES SUPERCEDES
• Step 1 Approach clearing barrel
• Step 2 Insert muzzle into barrel-finger out of
  trigger guard.
• Step 3 Rotate the weapon over and inspect the
  chamber, receiver, and magazine. On safe.
• Step 4 Push fore end forward (action closed) with
  non-shooting hand.
• Step 5 With non-shooting hand load the magazine
  to capacity.
• Step 6 Sling weapon if possible and exit clearing
  barrel area.

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SUMMARY

• CLASSROOM PROCEDURES
• BASIC SAFETY RULES
• MECHANICAL TRAINING
• CLEARING PROCEDURES
• NOMENCLATURE
• DISASSEMBLY ASSEMBLY
• CLEANING, INSPECTION, AND LUBRICATING
• FUNCTION CHECK
• AMMUNITION HANDLING
• LOADING UNLOADING
• STOPPAGES MALFUNCTIONS
• METHODS OF DESTRUCTION

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OVERVIEW

• Grip
• Firing positions
• Marksmanship fundamentals

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GRIP

• STRONG HAND FIRMLY GRIPS PISTOL GRIP OF BUTT
  STOCK
• PLACE BUTT STOCK OF WEAPON TIGHTLY INTO SHOULDER
  WITH ELBOW PARALLEL TO GROUND
• SUPPORT SHOULDER GRIP FORE END FIRMLY WITH ELBOW
  DIRECTLY UNDER WEAPON.

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FIRING POSITIONS

• STANDING
• Establish firm grip on the weapon.
• Lean forward in the direction of target.

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FIRING POSITIONS

• CROUCH
• Hold weapon so butt stock is a couple of inches
  below armpit and arm snug against body.
• Keep barrel parallel to the ground.
• Feet spread apart with foot pointing towards
  target, lean slightly forward.

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FIRING POSITIONS

• STRONG SIDE BARRICADE
• Establish firm grip on weapon.
• Fore end arm is placed on side of barricade
  between elbow and wrist.
• Front foot is placed against barricade for
  additional support. Lean forward.

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FIRING POSITIONS

• OVER BARRICADE
• Establish firm grip on weapon.
• Open stance enough to allow body to naturally
  crouch down behind barricade.
• Ensure support hand remains on fore end and
  prevent weapon from resting directly on
  barricade. Lean forward slightly.

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MARKSMANSHIP FUNDAMENTALS

• ESTABLISH GOOD GRIP AND CONTROL.
• ASSUME COMFORTABLE POSITION.
• SIGHT ALIGNMENT
• Align front sight in center of receiver groove
  (rear sight).
• Sighting eye focus on front focus on front sight
  bead only.

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MARKSMANSHIP FUNDAMENTALS

• SIGHT PICTURE
• While maintaining sight alignment, aim at the
  bottom 1/3 of target.
• Maintain focus on front sight.
• BREATH CONTROL
• Inhale, exhale what body doesnt need, and hold.
• Good physical condition will prove breath control.

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MARKSMANSHIP FUNDAMENTALS

• TRIGGER PRESS/TRIGGER CONTROL
• Use only front pad of finger.
• Press trigger straight back without disturbing
  sight alignment.
• COMMON SHOOTER MISTAKES
• Poor use of proper control techniques.
• Focusing on target instead of front sight bead.
• Recoil anticipation.
• Weak operation of fore end when firing.

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QUALIFICATION REQUIREMENTS

• QUALIFIED 40 HITS ON GREEN SILHOUETTE OUT OF 72
  POSSIBLE

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SUMMARY

• Grip
• Firing positions
• Marksmanship fundamentals

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BEFORE YOU DEPART US

• TURN IN WEAPONS
• CLEAN UP YOUR WEAPON CLEANING AREA
• WASH YOUR HANDS AND DRY THEM
• FILL OUT QUALITY FEEDBACK
• Initial 710 IN THE BOX NEXT TO YOUR PRINTED NAME
• TAKE 522 BACK TO TRAINING MONITOR
• PUSH CHAIR IN CLEAN UP YOUR AREA
• DONT LEAVE ITEMS BEHIND