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101437
Parts List – Model 494
KEY PART
NO. NO. DESCRIPTION QTY.
1 101123-01 Screw, 1/4"-20 x 1.25 2
2 101122-01 Washer 2
3 101128-01 Handle & Trigger Assembly 1
4 056217 Firing Pin Spring 1
5 075370 Firing Pin 1
6 101148-01 Breech Spring 1
7 100858-01 Breech 1
8 101124-01 Stop Pin 1
9 101127-01 Barrel and Insert Assembly 1
10 101126-01 Piston and Ring Assembly 1
10A 101439-01 Piston Ring 1
11 100856-01S Receiver Assembly 1
12 100864-01 Tang 1
13 TA4083 Buffer (5 Pack) 1
14 100857-01S Muzzle Cap 1
15 101147-01 Tang Spring 1
16 100862-01 Tang Cap 1
17 056218 Sear Spring 1
18 076657 Sear 1
IMPORTANT: Do not use key numbers when ordering service parts. Always order components
by part number and description. Include model number and serial number of tool.
14
13
9
7
6
11
3
4
5
17
18
12
15
16
8
10
10A
1
2