Info Ovp
Inspect buffer assembly 1, 2, or 3 for cracks or damage. a Some old buffers 1 have a hole with pin installed which protrudes equally on each side approximately 1 32 inch. b Some buffers 2 have a hole in the housing but no pin. c New buffers 3 do not have a hole in buffer body or a pin All configurations 1, 2, or 3 may be utilized. However, if cracked or damaged, replace. 2-20. LOWER RECEIVER AND EXTENSION ASSEMBLY CONT . Check free length of action spring 4 . The free length must be between 11...
Index
Front sight post and low light level front sight post removing and installation Pivot pin removing Pivot pin installation
B
i. Repair. The application of maintenance services2,including fault location troubleshooting3, removal installation, and disassembly assembly4 procedures, and maintenance actions5 to identify troubles and restore serviceability to an item by correcting specific damage, fault, malfunction, or failure in a part, subassembly, module component or assembly , end item, or system. j. Overhaul. That maintenance effort service action prescribed to restore an item to a completely serviceable operational...
Note Npv
Use wooden vise jaws in machinist'a vise in place of brass vise jaw caps, if available. a Clamp solid portion of lower receiver and extension assembly 5 in a machinist's vise using wooden vise jaws. b Using combination wrench 11010033 6 and torque wrench, torque lower receiver extension to 35-39 ft-lb. Torque is read when both wrenches are used together. 3-19. LOWER RECEIVER AND EXTENSION SUBASSEMBLY CONT . 3-19. LOWER RECEIVER AND EXTENSION SUBASSEMBLY CONT .
Army Only
a If the test fails using finger pressure, remove the gage and perform the test again as follows With the muzzle down, stack 8 1 2 to 8 3 4 pounds of trigger weights 1 1 on a locally fabricated spacer weight 12 on the bolt carrier assembly 9 . Insert headspace gage 10 and test per above instructions. b Remove trigger weights 11 , spacer weight 1 2 , bolt carrier assembly 9 , charging handle 8 , and headspace gage 10 . c If excessive headspace, first replace bolt assembly and then recheck. if...
Info Rma
Cleaning compound, rifle bore RBC item 11, app D All M 16 M16A1 rifles. All parts are the same except Dichloromethane, technical item 14, app D for lower receiver body which is different only in Lubricant, solid film item 19, app D that it specifies the different models and the serial Lubricating oil, weapons LAW item 20, app D Lubricating oil, weapons LSA item 21, app D
Info Yed
Inspect trigger assembly 3 for cracks or deformities. Inspect trigger for wear, cracks or deformities. Replace all defective components. Repair or replace all parts of lower receiver and extension assembly if defective. 3-16. LOWER RECEIVER AND EXTENSION ASSEMBLY CONT 3-16. LOWER RECEIVER AND EXTENSION ASSEMBLY CONT 1. With the upper receiver attached to the lower receiver, and the pivot pin and takedown pin in place, perform the following test a Apply hand pressure to push the upper receiver...
Note Leo
Most weapon serial numbers are 1 8 inch in height, or close enough that this size is acceptable for such restamping. In the event that a weapon has a serial number that cannot be reproduced by the use of the die sets, local purchase of an appropriate size die set is authorized. Replace defective components as authorized Test lower receiver and extension subassembly trigger pin holes and hammer pin holes. See page 3-56. Test lower receiver lobe area spacing. See page 3-56, TEST.
Patricia P Hickerson
Brigadier General, United States Army The Adjutant General By Order of the Secretary of the Air Force MERRILL A. McPEAK, General USAF Chief of Staff CHARLES C. McDONALD, General, USAF Commander, Air Force Logistics Command W.T. LELAND, Rear Admiral Chief, Office Law Enforcement and Defense Operations U.S. Coast Guard To be distributed in accordance with DA Form 12-40E, Block 0136 , Unit, Direct and General Support Maintenance requirements for TM 9-1005-249-23 amp P. U.S. Government Printing...
Note Air
Be sure all three drive pins on combination wrench are engaged with barrel nut assembly 9 . Wrench must be pushed toward upper receiver 8 to compress the slip ring spring in barrel nut assembly 9 . b Using socket wrench handle and combination wrench 2 , loosen barrel nut assembly 9 . b Using socket wrench handle and combination wrench 2 , loosen barrel nut assembly 9 . a Separate upper receiver assembly 8 from barrel assembly 10 . b Remove rifle barrel assembly 10 from vise and barrel removal...
Front Low Light Level Post Assembly 1
Prior to disassembly, inspect upper receiver and barrel assembly to determine type of front sight installed, standard or low light level. If a radioactive low light level sight is installed and if it has been damaged, see warning page and Chapter 2, Section V. To avoid injury to your eyes, use care when removing and installing spring-loaded parts. If weapon is equipped with low light level front post assembly, see page 4-2 for usable life and maintenance. To avoid injury to your eyes, use care...
M16 Army Torque Values
a. This appendix includes a standard torque table of the most commonly torque screws, bolts, and nuts. b. These torque values may be used when torque values are not specified. c. The torque table values are given in inch-pounds. If a torque wrench is calibrated in foot-pounds, you need to divide the listed number by 12 to obtain the desired torque. Torque Values In Inch-Pounds for Tightening Nuts Bolt, Stud, or On standard bolt, studs, and screws having a Screw Size tensile strength of 125,000...
Info Rnt
Applicable Configuration All M16 M16A1 Rifles Page Condition Description 3-50 Trigger assembly removed General Safety Instructions To avoid injury to your eyes, and installing spring-loaded 1. Inspect trigger spring for kinks, deformities, and weakness. Replace if defective. 2. Inspect disconnector spring for deformities, bends, breaks, and weakness. Replace If defective. 3. Inspect trigger for chips and cracks and excessive wear on trigger nose. Replace if defective.
Scope
a. Type of Manual Unit and Direct Support Maintenance. b. Model Number and Equipment Name 5.56mm Rifle M 16 and M16A1. c. Purpose of Equipment. Provides personnel an offensive defensive capability to engage targets for field use. 1-2. MAINTENANCE FORMS, RECORDS, AND REPORTS. Department of the Army forms and procedures used for equipment maintenance will be those prescribed by DA PAM 7S8-750, The Army Maintenance Management System. Air Force users refer to TO 11 W 1-10 for applicable forms and...
Info Cmy
Carefully compress helical spring 4 and position rifle grip 1 . Using a screwdriver, remove screw 1 and Iockwasher 2 from rifle grip 3 . Carefully remove rifle grip 3 and hold helical spring 4 in place. Still holding helical spring 4 in place, remove lockplate 5 . Using a screwdriver, secure rifle grip 3 with lockwasher 2 and screw 1 .
A Related Publications
COMDTINST M4855.1 ., Comptroller Manual Volume 10 Quality Assurance CTA 8-100 Army Medical Department Expendable Durable Items CTA 50-970 Items Except Medical, Class V, Repair Parts and Heraldic Packing and Marking for Shipment to Inert Ammunition Components Material, Greaseproofed, Waterproofed, Flexible NSN 8135-00-753-4661 Sleeve and Tubing-interior Packaging NSN 8135-00-543-6574 PPP-B-636 Boxes, Shipping, Fiberboard Wood, Cleated Plywood for Shipment and Storage PPP-T-76 Tape, Packaging,...
Air Force To W Coast Guard Comdtinst M
Supersedes Copy Dated November 1983 TECHNICAL MANUAL UNIT AND DIRECT SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST RIFLE, 5.56MM, M16 1005-00-856-6885 EIC 4F7 RIFLE, 5.56 MM, M16A1 1005-00-073-9421 EIC 4FC DISTRIBUTION STATEMENT. Approved for public release distribution is unlimited. HEADQUARTERS, DEPARTMENTS OF THE ARMY AND AIR FORCE, COMMANDANT, COAST GUARD DISTRIBUTION STATEMENT. Approved for public release distribution is unlimited. HEADQUARTERS, DEPARTMENTS OF...
Corrective Action Ecm
13. FIRES WHEN TRIGGER IS RELEASED WITH SELECTOR LEVER ON SEMI, OR FIRES TWO OR MORE ROUNDS IN SEMI SELECTOR POSITION DOUBLING . step 2. Worn or broken hammer trigger notch 2 . Worn or broken hammer disconnector notch 3 . step 3. Worn or broken trigger nose 5 . Step 4. Worn trigger or hammer pin hole. Gage trigger and hammer pin holes. If gage 12006472 enters any of the four holes, replace weapon p 3-57 . 14. FIRES WITH SELECTOR LEVER ON SAFE. Step 1. Defective selector lever 1 . Replace...
Army Gage Set 8426685
Applicable Configuration M16 M16A1 Rifle Test Equipment Tool and Gage Set 8426685 Small Arms Repairman Tool Kit SC 5180-95-CL-A07 19204 Materials Parts Cleaner, lubricant and preservative CLP item 9, app D Lubricating oil, weapons LAW item 20, app D Lubricating oil, weapons LSA item 21, app D Wiping Rag item 24, app D 1. Remove firing pin retaining pin 1 . 2. Tip key and bolt carrier assembly 2 allowing firing pin 3 to drop out. Catch the firing pin. 3. Rotate bolt cam pin 4 1 4 turn and lift...
Machine Gun M16 Lower Receiver
Applicable Configuration All M16 M16A1 Rifles TM 9-1005-249-10 operator's manual Equipment Condition Weapon disassembled Small Arms Repairman Tool Kit SC 5180-95-CL-A07 19204 General Safety Instructions To avoid injury to your eyes, use care when removing and installing spring-loaded parts. Live ammunition must not be near the work area. 2. Install charging handle 1 and bolt carrier assembly 2 into upper receiver assembly 3 . Join upper receiver assembly 3 and lower receiver assembly 4 . 3....
Note Vla
To remove hammer should be forward , place safety selector lever if installed to SEMI position. a Use drive pin punch to push hammer pin 12 from lower receiver 9 . b Remove hammer assembly 13 . b Remove disconnector 15 and trigger assembly 16 from lower receiver and extension subassembly 1 7 . b Remove disconnector 15 and trigger assembly 16 from lower receiver and extension subassembly 1 7 .
Corrective Action Nrp
1. FAILURE OF MAGAZINE TO LOCK IN WEAPON. Step 1. Dirty or corroded magazine catch 1 . Disassemble and clean. Step 2. Defective magazine catch spring 2 . Replace spring 2 . Step 3. Worn or broken magazine catch 1 . Replace magazine catch 1 . Step 1. Magazine catch spring 1 weak or broken. Replace magazine catch spring 1 . Step 2. Magazine catch 2 broken or defective. Replace magazine catch 2 . Step 3. Short recoil. Remove obstruction. If unable to remove obstruction, rebarrel
A Technical Bulletins
TB 9-1000-247 -34 Standards for Overseas Shipment or Domestic Issue of Small Arms, Aircraft Armament, Towed Howitzers, Mortars, Recoilless Rifles, Rocket Launchers and Associated Fire Control Equipment TB 43-0002-73 Maintenance Expenditures Limits for FSC Group 10 FSC Classes 1005, 1010, TB 43-0196 Inspection and Certification of Gages - Small Arms A-2. TECHNICAL MANUAL TECHNICAL ORDERS. TM 9-1005-237 -23 amp P Unit and Direct Support Maintenance Manual Including Repair Parts and Special Tools...
Lever Tool Catch
Selector lever 7 , if installed, must be positioned in automatic. Long leg of automatic sear 8 spring must rest on top of selector lever. a Install selector lever 7 and automatic sear 8 . b install automatic sear pin 9 into receiver using drive pin punch. Push in until flush. b install automatic sear pin 9 into receiver using drive pin punch. Push in until flush. a Install magazine catch spring 10 and magazine button 11 . b Install magazine catch 12 . Push in on magazine button 1 1 using a...
Info Yhl
Lower receiver and extension assembly serviceability check cent Check buttstock assembly 10 for forward to rear movement and or a 1 32 gap between the buttstock assembly 10 and the lower receiver 11 . If forward to rear movement and or a 1 32 gap appears, tighten butt cap screw. If still not tight, replace buttplate. If movement and or gap remains, a loose lower receiver extension may be the cause.
Nsn
i.e., 5385-01-574-1476 . When using this column to locate an item, ignore the first 4 digits of the NIIN NSN. However, the complete NSN should be used when ordering items by stock number. 2 FIG. column. This column lists the number of the figure where the item is identified located. The figures are in numerical order in section II and section III. 3 ITEM column. The item number identifies the item associated with the figure listed in the adjacent FIG. column. This item is also identified by...
Warning Oxc
To avoid injury to your eyes, use care when removing and installing spring-loaded parts. 1.Drive out spring pin 1 using 1 16-inch drive pin punch and hammer. 2. Remove forward assist pawl 2 , pawl detent 3 , helical spring 4 , from plunger assembly 5 . 1. Inspect forward assist pawl 1 for deformities, burrs, chips, and cracks. Minor burrs may be removed using fine files or stones, as required. Replace pawl if defective. 2. Inspect pawl detent 2 for deformities. Replace detent if defective. 3....
Note Chf
The Low Light Level Sights front and rear are no longer being manufactured and are obsolete items. 5 Lock Plate, NSN 1005-00-233-9031. 6 Top Sling Adapter, NSN 1005-00-406-1570 7 Rifle Bipod M3, NSN 1005-00-992-6676. 8 Bipod Carrying Case, NSN 1005-00-283-9439. 9 Blank Firing Attachment M15A2, NSN 1005-00-118-6192. b. Refer to TM 9-1010-221-24 amp P for unit maintenance for the Grenade Launcher M203. c. Refer to TM 9-1005-237-23 amp P for repair instructions and repair parts for Bayonet-Knife...
Group Fig C Charging Handle Assembly
1 HANDLE 1 1 Figure C-6. Upper Receiver and Barrel Assembly M16, 8448601 and M16A1, 8448522.
Short Recoil 1
Step 1. Improper gap, space or worn, missing, or broken bolt rings 1 . Replace bolt rings and stagger gaps. Adjust by bending in area of handguards or replace gas tube. Adjust by bending in area of handguards or replace gas tube. Step 3. Gas tube spring pin 3 missing from front sight 4 . Replace spring pin 3 . Step 4. Partially plugged gas system because of carbon buildup in the gas tube 2 . Replace spring pin 3 . Step 4. Partially plugged gas system because of carbon buildup in the gas tube 2...
Corrective Action Ijf
Step 1. Worn or broken trigger nose 1 or trigger spring 2 . Step 2. Worn or broken hammer trigger notch Step 3. Worn or broken hammer disconnector hook 6 . Step 4. Worn or broken hammer automatic sear hook 7 . Step 5. Worn or broken disconnector hook 8 . Step 6. Weak broken, or missing trigger spring 10 Step 7. Worn, broken, or missing automatic sea r 11 . Step 8. Weak or broken automatic sear spring 1 2 . Step 9. Automatic sear spring 12 incorrectly assembled in receiver. Remove automatic sear...
Temperature
212 Fahrenheit is equivalent to 100 Celsius 90 Fahrenheit is equivalent to 32.2 Celsius 32 Fahrenheit is equivalent to 0 Celsius 9 5 C 32 F APPROXIMATE CONVERSION FACTORS TO CHANGE TO MULTIPLY BY Square Inches Square Square Feet Square Meters 0.093 Square Yards Square Meters 0.836 Square Miles Square Kilometers 2.590 Acres Square Cubic Feet Cubic Cubic Yards Cubic Meters 0.765 Pounds Kilograms 0.454 Short Tons Metric Tons 0.907 Pound-Feet Newton-Meters 1.356 Pounds per Square Inch . . Miles per...
Notgo Gage
if the 'lower receiver is not disassembled, visual'iy inspect for broken or damaged parts, and insure that the hammer and trigger springs are correctly installed before beginning this test. It is not necessary to disassemble the lower receiver for the sole purpose of this visual inspection. If broken or damaged parts are found, disassemble p 3-50 and repair as authorized. 5. Test two hammer pin holes and two trigger pin holes using not-go plug gage 1 P N 12006472. This test may be conducted by...
Appendix C Repair Parts And Special Tools Listc
Section I Section II Repair Parts Group 0 0 5.56MMRifle M16,8448600 and M16A1, 8448500 Group 01 Bolt carrier assembly 8448501 - 2 0101 Bolt Assembly 8448509 - 3 0102 Key and bolt carrier assembly 8448505 - 4 Group 02 Charging handle assembly 844851 7 - 5 Group 03 Upper receiver and barrel assembly 8448601 M16 and 0301 Rifle barrel assembly 8448663 - 7 0302 Upper receiver assembly 8448602 M16 and 8448523 M16A1 C-8-1 C - 8 030201 Forward assist assembly 9349 - 9 Group 04 Lower receiver and...
Nomenclature Crossreference List
Common Name Official Nomenclature Action Compression Spring 8448629 Bolt Catch Compression Spring 8448633 Key and Bolt Carrier Assembly 8448505 Disconnector Compression Spring 8448594 Extractor Spring Assembly 8448755 Magazine Catch Compression Spring 8448637 Rifle M 16 8448600 or M 16A1 8448500 1-6. REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS EIR . If your rifle needs improvement, let us know. Send us an EIR. You, the user, are the only one who can tell us what you don't like about your...
Note Kpu
If a M16 M16A1 Rifle LOWER RECEIVER is missing one third or more of its exterior protective finish, resulting in an unprotected light reflecting surface, it is candidate for overhaul. This missing finish will be considered a shortcoming. This shortcoming requires action to obtain a replacement weapon. Once a replacement has been received, evacuate the original weapon to depot for overhaul. D If a loose lower receiver extension is suspected, remove buttstock p 2-45 and check for tightness. If...
Weapon Cannot Be Zeroed Cfn
Step 1. Bent or bulged rifle barrel 1 . Step 2. Barrel assembly out of alignment with rear sight on upper receiver Align barrel and upper receiver p 3-33 . Step 3. Corroded front 2 or rear 3 sights. Disassemble, . clean, . and lubricate. 12. FAILURE TO CYCLE WITH SELECTOR LEVER SET ON AUTO. Step 1. Broken automatic sear 1 or spring 2 Replace automatic sear assembly 1 . Step 2. Faulty selector lever 3 . Replace selector lever 3 . Step 3. Short recoil.
Warning 1
Before starting an inspection, be sure to clear the weapon. Do not actuate the trigger before clearing the weapon. Inspect the chamber to make sure it is empty and free of obstructions. Check to see there are no obstructions in the barrel, and no ammunition is in position to be chambered. SERVICE UPON RECEIPT - M16 M16A1 RIFLE b. Inspect the equipment for damage incurred during shipment. c. Check the equipment against the packing list to see if the shipment is complete. If the equipment has...
F H D L A
Nonreparable item. When unserviceable, condemn and dispose of the item at the level of maintenance shown in 3d position of SMR Code. Reparable item. When uneconomically reparable, condemn and dispose of the item at unit or aviation unit level. Reparable item. When uneconomically reparable, condemn and dispose of the item at the direct support or aviation level. Reparable item. When uneconomically reparable, condemn and dispose of the item at the general support. Reparable item. When beyond...
Caution Pbe
Do not use a wire brush on aluminum surfaces. NOTE Apply solid film lubricant to shiny surfaces. Solid Film Lubricant SFL is the authorized touch up for the M16 M16A1 Rifle and may be used on up to one third of the exterior finish of the weapon. FOR CONUS USE ONLY Solid Film Lubricant may be used as a touch up without limitation on the upper receiver and barrel assembly. This is to say that units which DO NOT fall under the category of Divisional Combat Units or rapid deployment type units may...
Info Xmh
Quarterly Bipod assembly M3 serviceability check Annual DS safety and serviceability inspection and gaging If scratched or worn shiny in spots, re-coat with solid film lubricant item 19, app D as stated in item 4 p 2-7 . Check for broken, missing, or damaged parts and check over all general -appearance. Check spring tension for retention to rif Ie barrel. Check legs 1 for damage. Check the DD Form 314 to insure annual DS safety and serviceability inspection and gaging has been done and that the...
Info Ghc
1. Check headspace using headspace gage PN 7799734. See page 3-38, TEST. 2. Check firing pin protrusion using firing pin protrusion gage PN 7799735. See page 3-13, TEST. 3. Check extent of barrel erosion using barrel erosion gage PN 8448496 or PN 7799792. See pages 3-35 and 3-37, TEST. 4. Check muzzle erosion using muzzle erosion gage PN 8448677 non-chrome barrels only p 3-35 . 5. Check barrel straightness using barrel straightness gage PN 8448202 p 3-37 . 6. Check firing pin hole using firing...
M16 Lower Receiver
Figure C-14. Lower Receiver and Extension Subassembly M16, 8448605 and M16A1, 8448579. Figure C-14. Lower Receiver and Extension Subassembly M16, 8448605 and M16A1, 8448579. DESCRIPTION AND USABLE ON CODES UOC QTY GROUP 0404 FIG C-14 LOWER RECEIVER AND EXTENSION SUBASSEMBLY M16 8448605 AND M16A1 8448579
Xaffa
Rifle M16. 8448600 and M16A1. 8448500. DESCRIPTION AND USABLE ON CODES UOC QTY GROUP 00 FIG C-1 5.56MM RIFLE M16 8448600 AND M16A1 8448500 BOLT CARRIER ASSEMBLY SEE FIG.C-2 1 FOR BREAKDOWN HANDLE ASSEMBLY, CHARGING SEE FIG 1 C-5 FOR BREAKDOWN ---- UPPER RECEIVER AND BARREL ASSEMBLY, 1 M16, SEE FIG.C-6 FOR BREAKDOWN . . . . UOC 755 UPPER RECEIVER AND BARREL ASSEMBLY, 1 M16A1 SEE FIG.C-6 FOR BREAKDOWN . . . UOC 194 MAGAZINE,CARTRIDGE 1 SLING,SMALL ARMS 1 LOWER RECEIVER AND EXTENSION ASSY, 1 M16...
Warning
Read this manual carefully before performing required maintenance. This manual will be referred to for Inspection Maintenance and Repair procedures. Before starting an inspection, be sure to clear the rifle. Do not actuate the trigger until the rifle has been cleared. Inspect the chamber to ensure that it is empty and no ammunition is in position to be chambered. Do not keep live ammunition near work area. To avoid injury to your eye, use care when removing and installing spring-loaded parts....
Group Fig C Special Tools
TOOL AND GAGE SET DS GS SUPPORT MAINTENANCE FOR 5.56MM RIFLE M16 RIFLE SERIES BOI 2 PER SUPPORTING DSU GSU CASE,CARRYING,GAGE PART OF KIT P N 8426685 M16 ONLY REFLECTOR TOOL, CHAMBER,PART OF KIT P N 8426685 GAGE,PLUG,PLAIN PART OF KIT P N 8426685 GAGE,BARREL,EROSION PART OF KIT P N 8426685 CHROME BARREL GAGE,MUZZLE EROSION PART OF KIT P N 8426685 NON-CHROME BARREL GAGE,STRAIGHTNESS PART OF KIT P N 8426685 CASE,BORE GAGE PART OF KIT P N 8426685 GAGE,HEADSPACE PART OF KIT P N 8426685 GAGE,FIRING...
Failure To Fire 1
Step 2. Weak or broken hammer spring 2 . Step 3. Hammer spring 2 improperly assembled. Step 4. Selector lever 3 frozen on SAFE position. step 5. Broken firing pin 4 or firing pin does not meet gage protrusion requirement. Step 6. Damaged, dirty, or corroded spring 5 and detent 6 .
section I INTRODUCTION
C-1. SCOPE. This RPSTL lists and authorizes spares and repair parts special tools special test, measurement, and diagnostic equipment TMDE and other special support equipment required for performance of unit and direct support maintenance of the rifle. It authorizes the requisitioning, issue, and disposition of spares, repair parts, and special tools indicated by the Source, Maintenance, and Recoverability SMR codes. C-2. GENERAL. In addition to Section I, Introduction, this Repair Parts and...
Weapon Cannot Be Zeroed
Step 1. Bent or bulged rifle barrel assembly 1 . Evacuate to direct support maintenance. Step 2. Barrel assembly out of alignment with rear sight on upper receiver. Evacuate to direct support maintenance. Step 3. Corroded front sight post 2 . Disassemble, clean and lubricate p 2-37 . Step 4. Corroded rear sight 3 . Clean and lubricate. Evacuate to direct support maintenance.
Note Tpd
Air Force Precision Measurement Equipment Laboratory PMEL person will calibrate small arms inspection gages in accordance with TO 33K-1 -100. g. Remove lnstall. To remove and install the same item when required to perform service or other maintenance functions. Install may be the act of emplacing, seating, or fixing into position a spare, repair part, or module component or assembly in a manner to allow the proper functioning of an equipment or system. h. Replace. To remove an unserviceable...