SMR CODES General Info Theory of Operation Troubleshooting MIX UP
100
What is How to get and Item.
The first two Letters in the SMR code indicate
100
What is blowback operation
Type of operation used by the MK 19
100
What is Charging.
The process of manually pulling the bolt to the rear by pulling the charging handle assemblies.
100
What is Ammo links not correctly aligned
Gun is difficult to charge
100
What is 80
About how many washers are in the buffer bodies
200
What is an item that is not stocked. Items must be locally purchased.
A source code of XD indicates
200
What is 244 FPS
Muzzle velocity
200
What is Cocking
The rearward movement of the bolt causes the cocking lever to retract the firing pin.
200
What is Loose or cracked (RH) and (LH) cam followers.
Erratic Firing
200
What is Ogive Plunger
Rearward end of this assembly is contoured to cushion the ogive of the round
300
What is Field maintenance can remove, replace, and use the item.
A maintenance code of F indicates
300
What is 60 Rounds per minute
Rapid rate of fire
300
What is Extracting.
Delinking of a round from the belt happens during
300
What is crocus cloth.
what is used to remove burrs from the vertical cam assembly?
300
BAM
Point to the striker Plate
400
What is Usable on Code
The acronym UOC means
400
What is 77.6lbs
Weight of the Mk19
400
What is Charging.
The leading round becomes in line with the bolt face
400
What is Bolt buffers contaminated with oil, water, or dust.
Excess Recoil
400
What is Area Target
A convoy of vehicles is an
500
What is PAFFF
SMR code of the vertical cam assembly
500
What is 1010-01-126-9063
NSN of the MK19 Mod 3
500
What is 2.
How many times must the weapon be charged to be ready for firing.
500
What is Place weapon on safe. Charge gun and hold bolt to the rear, open top cover, insert bore obstruction device into bore to check for a live round.
Bore obstructed.
500
What is 18-30 Meters
Arming range of an M430 round






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