FIELD OWNERS MANUAL AND GENERAL CLEANING INSTRUCTIONS

DISASSEMBLY

WARNING
ALWAYS UNLOAD YOUR FIREARM BEFORE CLEANING, LUBRICATION, DISASSEMBLY, OR REASSEMBLY.

WARNING
ALWAYS WEAR SAFETY GLASSES WHEN DISASSEMBLING, MAINTAINING, OR ASSEMBLING YOUR FIREARM.

CAUTION
SECURE UPPER AND LOWER RECEIVERS WHEN REMOVING PINS TO PROTECT FROM INJURY OR DAMAGE TO THE FIREARM. AS THE REAR PIN IS REMOVED THE FIREARM CAN OPEN SUDDENLY. THE FIREARM CAN SEPERATE WHEN THE PIVOT PIN IS REMOVED IF NOT SECURED PROPERLY.

 

UPPER AND LOWER RECEIVERS

  • MAKE SURE THE BOLT IS COMPLETELY FORWARD PRIOR TO DISASSEMBLY
  • Push the small end of the rear takedown pin (located next to the safety) as far as it will go with your thumb. Then pull the takedown pin through from the opposite side until it stops.
  • CAUTION
    FORCING THE TAKEDOWN PIN OR PIVOT PIN PAST THE SECOND DETENT POSITION WILL RESULT IN IRREPARABLE DAMAGE TO THE LOWER RECEIVER.
  • Pivot the upper receiver from the lower receiver.
  • Push the receiver pivot pin (located at the front of the magazine well) as far as it will go. Then pull it out from the opposite side until it stops.
  • Separate the upper and lower receivers.
  • Set Lower Receiver aside in a safe place.
  • Secure Upper Receiver vise block in a vise.
  • Place Upper receiver in vise block locking it into place with the pins included with the block.


CHARGING HANDLE AND BOLT CARRIER
GROUP

  • Pull back the charging handle and bolt carrier assembly.
  • Remove the bolt carrier assembly first.
  • Pull the charging handle back and down to remove it after removal of bolt carrier group.
  • NO FURTHER DISASSEMBLY OF THE FIREARM IS REQUIRED FOR GENERAL CLEANING.

 

CLEANING INSTRUCTIONS

After Disassembly:

  • Install Bore Guide
  • Install Bronze Brush on 26” Rod
  • Apply two (2) drops of KG-1 to brush, for initial lubrication of barrel and brush, insert in bore guide and push through the barrel until it comes out the muzzle end.
  • Apply approximately ten (10) drops to wet the brush and pull back through barrel, after reaching the bore guide push the brush back through the barrel, after every thirty five (35) strokes in each direction, re-wet the brush and repeat this for a total of one hundred (100) strokes in each direction.
  • Remove Rod and wipe it clean.
  • Install Pierce Style Jag on 26” Rod
  • Center a 1-1/8” patch over the Jag and pierce it onto the Jag.
  • Add three (3) drops of KG-1 to the patch and push it through the bore guide and out the muzzle.
  • Remove the patch and pull the rod back out of the barrel.
  • Using KG-3, spray into the bore guide and barrel while covering the muzzle.
  • Spray the outside and inside of the muzzle break.
  • Remove the bore guide.
  • Install a chamber mop onto the short chamber rod and wipe the chamber clean.
  • Use a cotton swab to clean any debris and carbon residue from the muzzle break.
  • Re-Install Bore Guide
  • Place a clean patch on the Jag apply three (3) drops KG-1 and push rod through barrel. Remove patch once it leaves the muzzle, pull rod back through.  Repeat this process until the patch comes out of the muzzle clean.
  • After the wet patch comes out of the muzzle clean, apply a dry patch and push it through the barrel. Repeat this three (3) times.
  • Wipe the Bolt Carrier Group off with KG-1.
  • Lightly oil the Bolt Carrier Group. Using oil on the face of the bolt, the back of the locking lugs, cam pin, guide rails on the gas key, and cocking ramp (1 drop each position).
  • Apply two (2) drops to the lugs on either side of the charging handle.
  • Reassemble per the following instructions

 

REASSEMBLY

CHARGING HANDLE AND BOLT CARRIER

  • Place the charging handle into the upper receiver and align the handle’s lugs with the notches in the upper receiver, push the charging half way into the upper receiver.
  • Slide the bolt carrier assembly, with the bolt extended, into the upper receiver. Align the gas key in the groove of the charging handle.
  • Push the charging handle assembly and bolt carrier assembly into the upper receiver until it locks in place.
  • Remove Upper Receiver from Vise Block 

UPPER AND LOWER RECEIVERS

NOTE: The hammer of the trigger assembly must be in cocked position to join the receivers.

CAUTION
NEVER DRY FIRE TRIGGER WITH THE UPPER AND LOWER RECEIVERS DISASSEMBLED AS THIS MAY DAMAGE THE FIREARM.

CAUTION
TO AVOID DAMAGE TO THE EJECTION PORT COVER, CLOSE THE EJECTION PORT COVER BEFORE THE RECEIVERS ARE JOINED.

  • Join the upper and lower receivers.
  • Align the pivot pin holes with the pivot pin and push the pivot pin into position.
  • Close the upper and lower receivers. Push the takedown pin into position.

FUNCTION CHECK

  • Install an empty magazine.
  • Pull the charging handle to the rear and then return it forward. The bolt should remain to the rear against the bolt stop. Remove the magazine.
  • Press in on the bolt stop. The bolt carrier assembly should move forward.
  • Place the safety on “SAFE”. Squeeze the trigger; the hammer shouldn’t fall.
  • Place the safety on “FIRE”. Squeeze the trigger; the hammer should fall.
  • Hold the trigger down and pull the charging handle to the rear and release it. Release the trigger. You should hear a click as you release the trigger. Squeeze again; the hammer should fall.

 

CALL WYOMING ARMS AT (307) 578-8821 IF YOUR RIFLE FAILS THIS TEST.

 

TROUBLESHOOTING

WON’T FIRE

  • Selector lever on “SAFE” Switch it to “FIRE”.
  • Improper assembly of firing pin — Assemble correctly.
  • NOTE: the retaining pin goes in back of large shoulder of firing pin. (SEE DETAILED ASSEMBLY/DISASSEMBLY INSTRUCTIONS)
  • Fouling in bolt— Clean with pipe cleaner.
  • Defective ammunition — Remove and discard.
  • Too much carbon on firing pin — Clean.
  • Bolt not fully locked — Extract cartridge, clean area.

STOPS FIRING WITH ROUND IN CHAMBER

  • Firearm stops firing with a live round in the chamber of a hot barrel (misfire)- Remove the round quickly (10 seconds)
  • If you cannot remove it within 10 seconds- Remove the magazine and wait 15 minutes with the barrel pointing in a safe direction.
  • CAUTION
    ALWAYS KEEP FIREARM POINTED I A SAFE DIRECTION, KEEP YOUR FACE AWAY FROM THE EJECTION PORT WHILE CLEARING A HOT CHAMBER.
  • The cartridge cannot be removed- Verify the safety selector is in SAFE position
  • CAUTION
    FORCING THE TAKEDOWN PIN OR PIVOT PIN PAST THE SECOND DETENT POSITION WILL RESULT IN IRREPARABLE DAMAGE TO THE LOWER RECEIVER.
  • Push takedown pin to the second detent position. If tight, use the chamber flag as a tool to push pin to second detent position. Never use a punch to drive the pin.
  • Push pivot pin to the second detent position. If tight, use the chamber flag as a tool to push pin to second detent position.
  • Never use a punch to drive the pin.
  • Separate upper receiver from lower receiver.
  • Remove bolt carrier group if possible and contact Wyoming Arms LLC to speak to a customer service representative.

BOLT WON’T LOCK

  • Dirty bolt — Clean.
  • Burred or broken bolt — Contact Wyoming Arms LLC
  • Ejector stuck — Contact Wyoming Arms LLC
  • Dirt, corrosion, or carbon buildup in barrel locking lugs — Clean lugs

WON’T EXTRACT

  • Broken extractor spring — Replace.
  • Inner spring or reinforcement ring missing from extractor spring — Replace.
  • Clogged gas tube — Replace.
  • Dirty or corroded, defective ammo — Remove and discard ammo
  • Carbon in chamber — Clean chamber.
  • Frozen or worn extractor — Remove and clean. Replace if necessary
  • Restricted buffer assembly — Remove and clean.
  • Restricted movement of bolt — Remove, clean and lubricate carrier assembly.
  • Blown primer in or under extractor — Remove primer

WON’T FEED

  • Dirty or corroded, defective ammo — Remove and discard ammo
  • Dirty or defective magazine — Clean and lubricate or replace.
  • Too many rounds in magazine — Remove excess rounds

DOUBLE FEED

  • Defective magazine — Replace.

WON’T CHAMBER

  • Dirty corroded or defective ammo — Remove and discard ammo
  • Ejector stuck — Clean and oil.
  • Carbon in carrier key — Clean chamber
  • Defective magazine — Replace magazine

SHORT RECOIL

  • Gas Rings on bolt worn or too loose — Replace.
  • Carbon or dirt in carrier key or on outside of gas tube — Clean w/ cotton swab or pipe cleaner.
  • Loss of gas power — Check entire gas path
  • Weak or defective ammunition — Replace with factory fresh ammunition.
  • Dirty rifle — Clean.
  • Improper lubrication — Lubricate generously.

BOLT FAILS TO LOCK OPEN AFTER LAST ROUND

  • Defective magazine — Replace
  • Dirty or corroded bolt catch — Clean or replace.
  • Defective ammunition — Remove magazine and install new, undamaged ammunition.

BOLT WON’T UNLOCK

  • Dirty or burred bolt — Clean and replace
  • Dirty/fouled chamber — Clean chamber

SELECTOR LEVER BINDS

  • Needs oil — Lubricate
  • Defective magazine — Replace
  • Dirt or sand under trigger — Clean

 

Firearm Maintenance

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