Bushmaster Xm15 Instruction Manual
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® PLEASE PRACTICE SAFE FIREARMS HANDLING! WARNING: BEFORE USING THlS FIREARM, BFI OP. MANUAL FUNDAMENTAL RULES FOR SAFE GUN HANDLING ALWAYS KEEP THE GUN POINTED IN A SAFE DlRECTlON. WARNIN G: IF THIS FIREARM IS CARELESSLY OR IMPROPRERLY HANDLED,
• B e s u re c a m p in is in sta lle d in th e b olt g ro up. If it is n t , y o ur rif le c a n s till fir e a nd w ill e xp lo d e. • If yo u a re u sin g a b la n k fir in g a tta ch m en t, n ever fir e a n yth in g e xcep t b la n k r o unds ( fo r s a fe ty , w e r e co m mend th e v is ib le m ilit a ry s ty le b la nk fir in g a tta ch m ent) . • If y o ur rif le s to ps fir in g w it h a liv e ro und in th e c h am ber o f a h ot b arre l (a m is fir e ), r e m ove th e r o und fa st. H ow eve r, if y o u c a nnot re m ove it w it h in 1 0 s e co nds, re m ove m agazin e a nd w ait 1 5 m in ute s w it h t h e r if le p oin tin g in a s afe d ir e ctio n. T his w ay y o u w ont g et h urt b y a p ossib le ro und “c o okin g-o ff” (i. e . th e ro und d eto natin g ju st fr o m th e h eat o f th e b arre l) . In a ny e ve nt, k e ep y o ur fa ce a w ay fr o m th e e je ctio n p ort w hile c le arin g a h ot c h am ber. • If y o ur b olt fa ils to u nlo ck, a nd y o u tr y to fr e e it b y b angin g th e b utts to ck o n th e g ro und, k eep y o urs elf c le ar o f t h e m uzzle . • If th ere s w ate r in th e b arre l, d o n ot fir e th e r if le . It c o uld e xp lo de. • If a n otic e able d if fe re nce in s o und o r re co il is e xp erie nce d, S TO P F IR IN G . E it h er c o ndit io n c o uld in dic a te a n in co m ple te p ow der b urn a nd/o r a b ulle t s tu ck in th e b ore . WARNING: ALWAYS PRACTICE SAFE FIREARMS HANDLING!1 T he B ush m aste r X M 15 E 2S r if le s yste m c o nsis ts o f a r if le , a m agazin e, a nd a s lin g. It i s a lig htw eig ht, g as o pera te d, a ir -c o ole d, m agazin e-fe d, s h ould er-fir e d w eapon th at c a n b e fir e d in a s e m i- a uto m atic m ode - i. e ., a s in gle s h ot e ach tim e th e tr ig ger is p ulle d. • T he u pper r e ce iv e r a nd b arre l a sse m bly h as a fu lly a dju sta ble r e ar s ig ht. • T he u pper a nd lo w er r e ce iv e rs a re e asily o pened fo r c le anin g a nd in sp ectio n. • T he b olt g ro up a nd b arre l e xte nsio n a re d esig ned w it h lo ckin g lu gs th at lo ck th e b olt g ro up to th e b arre l e xte nsio n. • T he fo rg ed a lu m in um u pper a nd lo w er r e ce iv e rs r e duce th e w eig ht o f th e r if le . • T he b ore a nd c h am ber a re c h ro m e p la te d fo r lo ng lif e a nd e ase o f m ain te nance . • C alib er: .2 23 R em in gto n / 5 .5 6 m m • W eig ht: ( d epends u pon m odel) 2 0 B bl. R if le = 8 .2 7 Ib s. / 3 .7 5 k g • L ength : ( d epends u pon m odel) 2 0 B bl. R if le = 3 8.2 5 / 9 7cm • B arre l R if lin g: R .H . tw is t; 1 in 9 ; 6 la nds & g ro ove s • F ir in g c h ara cte ris tic s: m uzzle v e lo cit y a ppro x. 3 ,2 60 fp s; c h am ber p re ssu re 5 2,0 00 p si • M axim um e ffe ctiv e r a te o f fir e : 4 5 r o unds p er m in . / s e m i- a uto m atic • M ax e ffe ctiv e r a nge: 5 50 m ete rs ( in div id ual/ p oin t ta rg ets ) / 8 00 m ete rs ( a re a ta rg ets ) • M axim um r a nge: 3 534 m ete rs FACTS ABOUT YOUR BUSHMASTER XM15 E2S RIFLE … 2
RIFLE PARTS AND WHERE TO FIND THEM (Right Side)… REAR SIGHTWINDAGE KNOB 4 REAR SIGHTELEVATION KNOB CHARGING HANDLE SPENT BRASSDEFLECTOR FRONT SIGHTASSEMBLY FORWARD ASSISTASSEMBLY REAR SLINGLOOP FRONT SLINGSWIVEL TRIGGER MAGAZINERELEASE BUTTON MAGAZINE(RIFLE ACCEPTS ALLCAPACITY AR15 / M16 TYPE) EJECTION PORTCOVER HANDGUARDS BARREL MUZZLE TABLE OF CONTENTSPreventative Maintenance Checks……… 29 Safety Function Checks ……… 30 Adjustable Front Sight Post ……… 32 Dual Aperture Rear Sight ……… 32 Zeroing Your Sights ……… 33 Zeroing Adjustments ……… 34 25 Meter Zeroing Procedure ……… 34 A1 Sights - Differences / Adjustments ……… 36 Operation of Your Rifle / Loading ……… 38 Operation / Inserting a Magazine ……… 39 Operation / Chambering a Round ……… 40 Immediate Action in Case of Trouble ……… 42 Remedial Action ……… 44 Bullet Stuck in the Bore ……… 45 Troubleshooting ……… 46 Parts Illustration ……… 54 Limited Warranty ……… 55 Rifle Parts and Where To Find Them ……… 4 Clearing Your Rifle ……… 6 Disassembling Your Rifle ……… 8 Cleaning / Inspection / Lubrication ……… 13 Detailed Cleaning Techniques ……… 14 Cleaning the Upper Receiver ……… 15 Cleaning the Lower Receiver ……… 16 Cleaning the Ejector ……… 17 Inspection before Lubrication ……… 18 Lubrication / Upper Receiver ……… 19 Lubrication / Lower Receiver ……… 19 Lubrication / Bolt Carrier Group ……… 20 Lubrication / Adjustable Rear Sight ……… 21 Reassembly ……… 22 Magazine Disassembly / Reassembly ……… 28 WARNING: BEFORE USING THIS FIREARM, READ AND FOLLOW THESE INSTRUCTIONS. If there is anything you do not understand, get help from someone qualified in the safe handling of firearms.
CLEARING YOUR RIFLE… 5 6 RIFLE PARTS AND WHERE TO FIND THEM (Left Side) … SAFETYSELECTORLEVER ®BUSHMASTERB.F.I.WINDHAM, ME.U.S.A.L099999CAL.223-5.56MMMOD. XM15-E2S PISTOLGRIP BUTTSTOCK BUTTPLATEASSEMBLYWITH ”TRAPDOOR ”STORAGE BOLTCATCH A2 TYPEUPPER RECEIVER TAKEDOWN PIN PIVOTPIN Above, A Bushmaster V Match “Flat-Top ” StyleUpper Receiver And A3 TypeRemoveable Carry Handle.Right, an early A1 Upper Receiver(note the rear sight differences). A2 “SQUARE ” FRONTSIGHT POST(A Round Post can befound on some A1 models. Bushmasteronly uses the A2) CARRYING HANDLE(A3 Removeable type isillustrated at lower left.) SLIP RING(DELTA RING) Point Rifle in a SAFE DIRECTION! Place Safety Selector Lever on SAFE. (If the rifle is not cocked, the Selector Lever cannot be pointed toward SAFE.) 1.) Press Magazine Catch Button and pull Magazine down to remove.2.)
DISASSEMBLING YOUR RIFLE… 8 1.) Clear your Rifle and disconnect the Sling. 2.) Push in Takedown Pin as far as it will go. Pivot Upper Receiver away from Lower. 3.) Push in Front Pivot Pin. 4.) Separate Upper and Lower Receivers.5.) Pull back Charging Handle and Bolt Carrier CLEARING YOUR RIFLE (continued) … 7 To Lock Bolt Open, Pull Charging Handle rearward. Press bottom of Bolt Catch and allow Bolt to move forward until it engages Bolt Catch. Return Charging Handle to forward. If you havent before, place Safety Selector Lever on SAFE. 3.) Check Receiver and Chamber to ensure there is no ammunition in the rifle.4.) With Selector Lever pointing toward SAFE, allow Bolt to go forward by pressing upper portion of Bolt Catch.5.)
DISASSEMBLING YOUR RIFLE (continued)…
10
PUSH BOLT IN
9.) Push Bolt in to locked position.
10.) Drop Firing Pin out rear of Bolt Carrier.
11.) Remove Bolt Cam Pin.
GIVE CAMPIN A 1/4TURN ANDLIFT OUT
12.) Remove Bolt Assembly from Carrier.
DISASSEMBLING YOUR RIFLE (continued)…
9
6.) Remove Bolt Carrier and Bolt 7.) Remove Charging Handle by pulling
back and up
8.) Remove Firing Pin Retaining Pin.
DO NOT OPEN
OR CLOSE
SPLIT END
OF PIN
DISASSEMBLING YOUR RIFLE (continued)…
DISASSEMBLE USING STEPS 13 THRU 16 ONLY WHEN DIRTY OR DAMAGED
11
NOTE: Press rear
of extractor to check
spring function.
13.) Remove Extractor Pin by pushing out
with a punch or the tip of a bullet.
14.) Remove Extractor and Spring.
CAUTION: Extractor Spring may
pop out and get lost!
PUSH
EXTRACTOR
PIN OUT
DISASSEMBLING YOUR RIFLE
(continued) …
12
BUFFER
BUSHMASTER
DOES NOT
RECOMMEND
ANY FURTHER
DISASSEMBLY
BUFFERRETAINER
15.) Press in Buffer, depress Retainer, and release Buffer.
16.) Remove Buffer and Action Spring.
STOP
The H an dg uard s m ay b e d is a sse m ble d a t a ny p oin t in yo ur cle anin g
p ro ce dure s a s n ece ssa ry ( s e e P g. 2 7 - “ B uddy S yste m ” in str u ctio ns).
If y o ur R if le is e quip ped w it h th e A 3 T yp e R em oveab le C arry H an dle ,
t h at m ay b e re m ove d fo r c le anin g b y lo ose nin g th e 2 th um bnuts . C le an a s
p er in str u ctio ns fo r a lu m in um U pper a nd L ow er R ece iv e rs (s e e P g. 1 6).
L ig htly lu bric a te th e th um bnut th re ads a nd th e R ear S ig ht m ech anis m (a s
d escrib ed o n P g. 2 1 - L ubric a tio n - A dju sta ble R ear S ig ht) .
CLEANING • INSPECTION • LUBRICATION … 13 Aft e r f ir in g, c le an y o ur r if le a s s o on a s p ossib le to m ake th e jo b e asie r a nd to a vo id a llo w in g t h e d eve lo pm ent o f a ny c o rro sio n. W hen y o u r fir e arm h as n ot b een fir e d , y o u s h ould c le an it a t le ast o nce o r tw ic e a y e ar if y o u liv e in a te m pera te c li m ate , o r a s o fte n a s o nce a w eek in a tr o pic a l c li m ate . If y o u g et y o ur f ir e arm w et, c le an it a s s o on a s p ossib le . U se a h ig h q ualit y rif le c le anin g k it th at in clu des a c le anin g ro d; s w ab h old er; c o tto n fla nnel b ore p atc h es; p ip e c le aners ; a s m all to oth bru sh ; b ra ss w ir e b ris tle b ore a nd c h am ber b ru sh es a nd a C le aner/L ubric a nt/P re se rv a tiv e ( C LP in A rm y te rm in olo gy). A ft e r y o u h ave d is assem ble d t h e r if le , t h oro u ghly c le an , in sp ect a n d lu bric ate a ll p arts a cco rd in g t o t h e t e ch niq ues d escrib ed o n f o llo w in g p ag es. DETAILED CLEANING TECHNIQUES … 14 NO TE : T he p ro ce dure s b elo w d escrib e c le an in g w it h a s ta ndard m ilit a ry i s su e m ult i- p ie ce ro d cle anin g kit . O th er co m merc ia l cle anin g kit s m ay i n clu de a lt e rn ate c le anin g in str u ctio ns w hic h m ay b e ju st a s e ffe ctiv e . C LE A NIN G T H E B O RE: T he b ore o f y o ur B ush m aste r r if le h a s la nds a nd g ro ove s c a lle d rif lin g. R if lin g m ake s th e b ulle t s p in v e ry fa st a s it m ove s d ow n th e b ore a nd d ow n r a nge. It is d if fic u lt to p ush a n ew , s tif f b ore b ru sh t h ro ugh th e b ore . Y ou w ill fin d it m uch e asie r, a nd m ore e ff e ctiv e , to p ull y o ur b ore b ru sh th ro ugh th e b ore . A ls o , b e ca use th e b ru sh w ill c le an b ette r if th e b ris tle s fo llo w th e g ro ove s ( th is is c a lle d tr a ckin g), y o u w ant th e b ore b ru sh to b e a llo w ed to tu rn a s y o u p ull it th ro ugh. A lw ays c le an fr o m f r o m c h am ber to w ard th e m uzzle . T his is h ow y o u d o it : 1 .) S w ab o ut th e b ore w it h a p atc h m ois te ned w it h “ C LP ”. 2 .) A tta ch th re e ro d s e ctio n s to geth er b ut le ave e ach o ne a b out tw o tu rn s s h ort o f b ein g t ig ht. 3 .) A tta ch th e b o re b ru sh b ut le ave it t w o tu rn s s h ort a ls o . 4.) P oin t m uzzle d o w n. H old th e u pper r e ce iv e r in o ne h and w hile in se rtin g t h e e nd o f th e ro d w it h out th e b ru sh in to th e ch a m ber. G uid e th e ro d c a re fu lly th ro ugh th e b ore . C AUTIO N - d o n ot le t th e r o d o r it s th re ad ed e n d s c ra tc h t h e C hro m e L in in g o f t h e B ore o r F ir in g C ham ber. A bou t 2 - 3 in ch es o f th e r o d s h ou ld p ro tr u de o ut o f th e m uzzle . BO RE BR USH AN D TH REE R OD SEC TIO NS
15 5.) Attach the handle section of the cleaning ro d to th e en d of th e rod sticking N O TE: Check to e nsure that there is no looseness b etween the Barrel CLEANING THE UPPER RECEIVER (continued)… 2.) Cle an the Firi ng Ch amber - d ip th e larger chamber cleaning brush in C LP and us e a t least 1.) Clean all areas o f P owd er Fo uling, Corrosion , Dirt
17 The design of the Ejector makes its d isassembly for cleaning somewhat impractic al (i. e. we INSPECTION - Before Lubricating… 5.) Ch eck the Extractor and Extractor S pring: 1.) Check the Bolt: Look for cracks or 4.) Check the Cam Pin: If it is cracked , or 2.) Check the Firing Pin : If it is bent, cracked, 3.) Check the Firing Pin Retaining Pin: If it is