Manual

53
TROUBLESHOOTING (continued)…
PROBLEM
BOLT CARRIER
“HUNG UP”
CHECK FOR:
Round jammed between
Bolt and Charging
Handle and/or double
feed
WHAT TO DO
1.) Remove Magazine.
2.) Push in on the bottom of the Bolt Latch.
3.) While pulling down on Charging Handle,
bang the Rifle Butt on the ground. Bolt should
lock to the rear.
4.) While Bolt is held to the rear, round should
fall through the Magazine well.
WARNING:
KEEP CLEAR
OF MUZZLE.
CAUTION:
AFTER ROUND
IS REMOVED,
BOLT IS UNDER
TENSION.
NOTE: If this procedure fails, use a section of cleaning rod to
push the Bolt fully to rear through the Ejection Port.
54
DISASSEMBLY VIEWS - Bushmaster XM15 E2S Rifle
Upper Receiver / Barrel / Bolt Carrier / Sight Groups
(See also next page)
Handguard
Snap Ring
MS16626-1137
Weld Spring 8448555
Delta Ring 8448712
Indexing Pin 9349054BIP
Barrel Extension 9349054BE
Barrel Nut 9349054BN
Metal Handguard Liner (2)
(Included with handguard)
Thermoset Handguard (2)
9349059
Front Sight Post 9349056
Front Sight Detent Spring 8448574
Front Sight Detent 8448573
Handguard Cap 9349053
Gas Tube Roll Pin MS16562-106
Front Sight 9349054FSHA
Front Sight
Taper Pins (2)
9349054BTP
BARREL - FULL LENGTH HEAVY
STYLE - CHROME MOLYBDENUM STEEL
WITH HARD CHROME LINED BORE
AND CHAMBER. STANDARD MODEL
RIFLE AVAILABLE WITH 20", 24" OR 26" BBL.
Front Sling Swivel
8448571
Front Sling Swivel Rivet
8448697
Charging Handle
Latch Roll Pin
8448521-2
Charging Handle
Latch Spring
8448520
Charging Handle
Latch 8448519
Charging Handle
8448518
Rear Sight Helical
Spring 9349069
REAR SIGHT
ASSEMBLY / COMPONENTS
Rear Sight Windage
Screw 9349076
Rear Sight Base 9349074
Rear Sight Ball Bearing
MS19060-4808
Rear Sight Aperature
9349075
Rear Sight Flat
Spring 8448536
Rear Sight Ball Bearing
MS19060-4808
Rear Sight
Windage
Knob Pin
MS1656-103
Rear Sight
Windage
Knob
9349077
Rear Sight Index
Spring 9349069
Bolt Carrier Key Screw (2) 8448508
Bolt Carrier Key 8448506
Firing Pin Retaining Pin 8448504
Cam Pin 8448502
Firing Pin 8448503
Bolt Carrier 8448507
Bolt Gas Rings (3) 8448511K
Bolt 8448510
Extractor Spring 8448755SP
Extractor Spring Insert 8448754
Extractor 8448512
Extractor Pin 8448513
Ejector Roll Pin MS16562-98
Ejector Spring 8448516
Ejector 8448515
Ball Bearing
MS19060-4808
Index Screw 9349065
Rear Sight Assembly
9349072
Rear Sight Elevation
Index 9349066
Elevation Knob
9349067
Elevation Index
Spring 9349069
Upper Receiver
9349063
Forged of 7075T6
Aircraft Quality
Aluminum
Rear Sight Elevation
Spring 9349070
Pawl Detent 8448544
Forward Assist
Pawl 8448543
Pawl Spring 8448542
Pawl Spring Pin
MS16562-103
Forward Assist
Plunger 9349085
Forward Assist
Spring Pin
MS16562-103
Rear Sight
Elevation
Spring Pin
MS16562-121
UPPER RECEIVER, BOLT
AND BOLT CARRIER
ASSEMBLIES / COMPONENTS
8
/
3
Bolt Assembly 8448509
Bolt & Bolt Carrier Assembly
8448501-S
Forward Assist
Spring 8448540
Forward Assist Assembly
9349086
Gas Tube 8448567
BARREL ASSEMBLY
AND COMPONENTS