Disassemble,CleanandReassembletheM4CarbineRifleIntroduction:TheinstructionsbelowwillteachyouhowtodisassembletheM4CarbineRifleintomultipleparts.WewillthenshowyouhowtocleantherifleandthepartsmostsusceptibletorustandreassembletheM4.Thepurposeofthisinstructionsetistokeepyourrifleinthebestpossibleconditionbyeliminatingrust.Materials:1M4Carbine(Image1a)1BottleofWD401BoreBrush1SmallTowel1PackofQ-TipSwabs1Toothbrush

Image1a

Warning:Notatoy.Adultsupervisionrequired.Misusemaycauseseriousinjuryordeath.

TableofContents:

A. CleartheweaponB. RemoveBoltCarrierAssemblyC. DisassembletheBoltCarrierAssemblyD. SeparatetheUpperandLowerReceiverE. CleanF. Reassemble

A.ClearWeapon:

1. Ensurethattheweaponisonsafety.

2. MakesuretherearenomagazinesloadedintotheMagazineFeedSystem.

3. PulltheM4StyleChargingHandleandseeifthereareanyroundsinsidethechamberbylookingthroughthesideofthegun.(Image2a)

B.RemovetheBoltCarrierAssembly:

1. PushintheTakedownPinlocatednearthetriggertocollapsethetophalfoftherifle.(Image2b)

2. RemovetheBoltCarrierAssemblybypullingouttheM4StyleChargingHandle.

C.DisassembletheBoltCarrierAssembly:

1. OnthesideoftheBoltCarrierthereissmallblackpin,pullthatpinout.(Image2c)

2. Oncethatpinispulledout,tiltthe

assemblyuntiltheFiringPinslidesoff.(Image2d)

3. PushdownontotheBoltCamPin

(Image3a)andpulloutoftheassembly.

Image2a

Image2b

Image2c

Image2d

4. OncetheBoltCamPinispulledout,theboltshouldeasilyslideoutoftheassembly.(Image3b)

D.SeparatetheUpperandLowerReceiver:

1. UnhookthelatchlocatedabovetheMagazineFedSystem,todetachtheUpperandLowerReceivers.(Image3c)

2. IntheUpperReceiverpulldownontheO-ringtotakeoutthehandleguards.(Image3d)

E.Clean:

1. OpenthepackofQ-Tipsandlaythemacrossthetable.

2. OpenthebottleofWD-40.

3. Usingthefirstswab,gentlyapplya

smallportionofWD-40ontoonetipoftheswab.

4. GrabtheBoltandapplytheswab

ontoit,usingtheendwiththeWD-40.

5. Sticktheswabontothesmallholeat

thebottomoftheBolttocleantheinside.

6. Usingtheborebrush,scrubtheBolt

hardtogetridoftherust.

7. Next,grabtheassemblyandapplyWD-40ontothewholeassembly.

8. Usingyourbrush,scrubthewhole

assemblyunit.

Image3a

Image3b

Image3c

Image3d

9. GrabtheFiringPinandusethetoweltocleantheFiringPin.

10. GrabtheBoltCamPinandusethe

brushtogettheblackpowderoff.

Warning:TheBoltCarrierAssemblyandtheBoltwillhaveblackpowderfromusingtherifle.Itisessentialtocleanthesepartswelltopreventfuturedamages.Referto(Image4a)toseeacleanassemblyversusablackpowdercoveredassembly.11. Takethetophandleguardanduse

thetoweltowipeoffthedirtandgrease.

12. Takethebottomhandleguardandusethetoweltowipeoffthedirtandgrease.

13. FindanewQ-TipandapplyWD-40

ontobothendsoftheswab.

14. GrabtheUpperReceiverandapplytheswabontothewholereceiver.YouwillneedtousebothendstocoverthewholereceiverwithWD-40.(Image4b)

15. UsethebrushtocleantheUpper

Receiver.ThehardestparttocleanistheareawheretheBoltCarrierAssemblyusuallysits.

16. Usethetoweltowipeofftheexcess

WD-40ontheLowerReceiverafterscrubbingwiththebrush.

17. FindanewQ-TipandapplyWD-40

ontobothendsoftheswab.

Image4a

Image4b

Image4c

18. GrabtheLowerReceiverandapplytheswabontothewholereceiver.YouwillneedtousebothendstocoverthewholereceiverwithWD-40.(Image4c)

19. UsethebrushtocleantheLowerReceiver.Thehardestparttoreachisabovethetriggerlocation,insidetheLowerReceiver.

20. UsethetoweltowipeofftheexcessWD-40ontheLowerReceiverafterscrubbingwiththebrush.

Reassemble:

1. PuttheBoltbackontotheBolt

CarrierAssembly.

2. ReattachBoltCamPin.(Image5a)

3. InserttheFiringPinbackontotheBolt.

4. InsertthepinontotheBoltCarrier

AssemblytolockthepinontotheBolt.(Image5b)

5. PuttheBoltCarrierAssemblyand

theChargingHandleontotheUpperReceiver.(Image5c)

6. ReattachtheHandleGuardsonto

thebarrelbyholdingtheO-ringbackandslidingtheHandleGuardsin.

7. SittheUpperReceiverontopofthe

LowerReceiver

8. PushinTakedownpintolock.

9. PushinLatchlocatedaboveMagazineFedSystem.

Image5a

Image5b

Image5c

Conclusion:AfterfollowingthisinstructionyoushouldhaveafullyreassembledM4CarbineRifle.Eachpieceshouldnolongercontainanyrustorblackpowderfromfiringtherifle.Thiswillensurethatyourrifleisreadyforextensiveuseatanygivenmoment.ThisinstructionisimportanttoMilitarypersonnelfortheupkeepandmaintenanceoftheirgovernmentissuedrifle.