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Barrel Assembly w/ Red Insert, 4", StainlessFirearm Mfgr: TAURUSFirearm Model: 66, 66 OLD MODELProduct #: 579800$102.67
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Barrel Assembly, .357 Cal., 4", NickelFirearm Mfgr: TAURUSFirearm Model: 66, 66 OLD MODELProduct #: 579250$75.86
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Barrel Assembly, .357 Mag, 3", NickelFirearm Mfgr: TAURUSFirearm Model: 66, 66 OLD MODELProduct #: 579220$69.16
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Barrel Assembly, .357 Mag, 4", BluedFirearm Mfgr: TAURUSFirearm Model: 66, 66 OLD MODELProduct #: 579240$75.86
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Barrel Assembly, .357 Mag, 6", BluedFirearm Mfgr: TAURUSFirearm Model: 66, 66 OLD MODELProduct #: 579270$86.53
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Barrel Assembly, .357 Mag, 6", NickelFirearm Mfgr: TAURUSFirearm Model: 66, 66 OLD MODELProduct #: 579280$86.53
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Barrel Pin, Blued, Used Factory Original (For Old Models)Firearm Mfgr: TAURUSFirearm Model: 66 OLD MODEL, 67, 80, 82, 83, 85, 86Product #: 1111290$4.57
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Bolt Plunger w/ Spring (For Gun Manufactured Prior to December 1992)Firearm Mfgr: TAURUSFirearm Model: SMALL FRAME, MEDIUM FRAMEProduct #: 581020A$5.79
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Bolt, Old Style, Blued, Used Factory Original (Up to 1983)Firearm Mfgr: TAURUSFirearm Model: 66 OLD MODEL, 65, 66, 669, 70, 83, 83S, 88, 90, 86, 96, 80, 82, 82S, 87Product #: 580010A$28.94
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Bolt, Stainless (Up to 1983)Firearm Mfgr: TAURUSFirearm Model: 66 OLD MODEL, 80, 82, 82S, 87Product #: 596180$28.94
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Cylinder Stop Screw, StainlessFirearm Mfgr: TAURUSFirearm Model: 66 OLD MODEL, 65, 669, 76, 80, 86, 96Product #: 1502350A$5.18
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Cylinder Stop, Old StyleFirearm Mfgr: TAURUSFirearm Model: 66 OLD MODEL, 70, 76, 80, 82, 86, 87, 88, 90Product #: 579990A$16.15

Parts List
NINot Illustrated
0Schematic w/ Parts List
3Cylinder
4Center Pin
5Extractor
6Yoke
7Extractor Rod
8Cylinder Stop Plunger w/ Spring
9Barrel
13Firing Pin Retaining Pin
14Thumbpiece
15Thumbpiece Screw
16Grip Screw
17Grips
18Firing Pin
19Firing Pin Spring
20Bolt
21Bolt Spring
22Hammer
23Sear
24Sear Pin
25Sear Spring
27Trigger
28 / 29Hand Spring / Hand Plunger
30Cylinder Stop
31Hand
32Sideplate
33Sideplate Screw
34Trigger Spring Center Pin
35Trigger Spring
36Trigger Spring Swivel
37Mainspring Center Pin
38Mainspring (Hammer Spring)
39Mainspring Bushing
40Rear Sight