M1903A3 MANUAL PDF

This manual is published for the information and government of the Regular Army and Organized Militia of the United States. By order of the Secretary of War. Rifle, Caliber MA3 contract for , rifles was for- years was accomplished with the by the U.S. Army on May mally established in June This manual differs from TM , Ordnance Maintenance: Rifles, U. S., cal, , Still later, the Rifle MA3 was modified by removing front and rear sight.

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The surface should be thoroughly cleaned to remove all oil and dirt before applying paint Such painting should be considered only as a temporary correction manuak the paint will soon wear off.

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This screw must be removed to dismount the sight. Striker, If striker point is worn or broken or if joint tips are broken, it should be replaced f. Check straps for condition of leather, weakness, ripped stitches, cuts, and abrasions. Rub oil well into leather. General tools used for inspection are listed in SNL B-3 as company accessories for the rifle. It is snapped on over the front sight with the sloping portion to the rear.

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All burs should be removed by stoning and all surfaces which are not perfectly smooth should be polished by stoning. Check hook holes for wear and breaks between holes. Press in rear end of lower band spring and move lower band forward fig.

Check body for cuts, deep abrasions, or k1903a3. The shapes of the cocking piece sear notch and sear nose and the strength of the sear spring should always be such that the sear invariably rises to its full height and the trigger returns to its forward position on a cocked rifle when the trigger ,anual released.

The cartridge can not come out of magazine well until pushed forward by the bolt. This compound is a very viscous petroleum product, used for the protection of finished metal surfaces during dead storage. Special tools and gages used for inspection are listed manuual shown in SNL B and are carried on the small arms repair truck. It mnaual not be used near open flame and smoking is prohibited when it is being used. A weak or damaged spring should be replaced.

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Scratches and bruises that do not weaken the stock can be removed or smoothed with a half-round smooth file, and finished with PAPER, flint, class B, No. Specialised shooting techniques suited to this classic rifle!

Full text of “Ordnance maintenance : U.S. rifles, cal. , M, MA1, MA3 and MA4”

Inspect bayonet stud band in same manner as upper band in subpara- graph b, above. If threads are burred, they should be chased with a die. Amazon Renewed Refurbished products with a warranty.

Test security of index knob on windage yoke screw and test screw for looseness. The barrel reflector is used for visual inspection of the bore and chamber of the rifle. After a little wood has been removed, a small file should be used to square up the shoulder for the upper band. They are j1903a3 with only the limited tool facilities afforded by repair trucks, by semipermanent shops at posts and camps, or by an inspector while making a regular inspection.

If the 3-pound weight pulls the trigger, or if manua 6-pound weight fails to pull the trigger, the rifle should be repaired in the manner described in paragraph 47 f 2. It consists of a pair of tweezers for squeezing together the two sides of the undercut ,1903a3 on the fixed stud, and a dovetail tapered gage A which, when in- serted in the slot of the fixed stud, serves as a stop for the tweezers at the desired point.

If the field test bolt does not close on the gage, a worn bolt is indicated. Dents in edges of blade can often be peened out before smoothing. By aboutall branches of the U. These shims are inserted between mount base and receiver, at front or rear end, to level the base. AmazonGlobal Ship Orders Internationally.

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The bayonet should be cleaned and then wiped with slightly oiled CLOTH, wiping, care being taken not to use enough oil to allow transfer to the scabbard. As the work progresses, the upper band should be put in place without the insertion of the upper band screw and the barrel tested for looseness by a vertical motion.

Trigger Pull, 1 Trigger pull for rifles in service must be mnaual than 3 pounds but mqnual not exceed 6 1m903a3. Burs on cams, sear notch, and safety lock grooves should be removed with m19033 sharpening stone and finished with CLOTH, crocus. If the stacking swivel is bent and cannot be easily straightened without disassembling from the band, the stacking swivel band assembly should be replaced. The mount base is alined and leveled by means of shims of proper thickness placed between mount base and receiver at manufacture.

Tighten aperture slide screw. When charging the maga- zine from a clip, either end of a loaded clip is placed in its seat in the receiver and the cartridges pressed down into the magazine with the thumb until the top cartridge is caught by the right edge of the receiver. Get to Know Us. They should never manial unscrewed except at an ordnance establishment properly equipped for this work.

Free length of catch spring B 14 is 0. Before bore sighting, the sight should be adjusted for zero windage and minimum range of yards as explained in TM Gun Sling MI Ml Cover, front sight b. In releasing pres- sure of mainspring, take care to point striker away from all personnel Relieve pressure gradually to avoid losing parts.

Short screw passes through top tang of butt plate.

Large numbers of Ms were issued for use as grenade launching rifles. Loose screws should be tightened. Top Loose in Body.