Sinclair Chamber Length Gage/30 Cal : Sinclair Chamber Length Gage | Sinclair Intl

The Sinclair Chamber Length Gauges are designed so the handloader can determine the true length of his rifle's chamber when measuring from the bolt face to the end of the chamber's neck. This measurement will tell you how much excess case length your chamber may have over published trim lengths in reloading handbooks.

The Sinclair Gauges are inserted into a fired, unprimed shortened case and then chambered into your rifle. The insert pushes back into the case when it contacts the end of your chamber. You then extract the case and measure the overall length. The gauge is made of 12L14 soft steel so it will not damage your chamber. Step-by-step instructions accompany each gauge. The gauges can be used over and over again.

The differences between published trim lengths and the actual length of your chamber can be quite significant. You could be over trimming your cases by .030 inch or more.

NOTE: The 22 caliber gauge will not work on thin-necked cases such as the 22 Hornet, 218 Bee, or cartridges based on these cases. The 30 caliber gauge will not work on teh 30-30 Winchester. None of the gauges listed will work on tight-necked chambers except for the G-243T. Should not be used in handguns, semi automatic rifles, lever actions rifles and pump action rifles.

 


Sinclair, Issue:5B, Page:030
SINCLAIR CHAMBER LENGTH GAGE/30 CAL
749-000-804WS
Sinclair Chamber Length Gage/30 Cal
749000804Sinclair Chamber Length Gage/30 Cal

Mfr Part: G308

$5.99

In Stock

Caliber: 30 Caliber (.308)

SINCLAIR CHAMBER LENGTH GAGE/17 CAL
749-000-746WS
Sinclair Chamber Length Gage/17 Cal
749000746Sinclair Chamber Length Gage/17 Cal

Mfr Part: G172

$5.99

In Stock

Caliber: 17 Caliber (.172)

SINCLAIR CHAMBER LENGTH GAGE/20 CAL
749-000-795WS
Sinclair Chamber Length Gage/20 Cal
749000795Sinclair Chamber Length Gage/20 Cal

Mfr Part: G204

$5.99

In Stock

Caliber: 20 Caliber (.204)

SINCLAIR CHAMBER LENGTH GAGE/22 CAL
749-000-811WS
Sinclair Chamber Length Gage/22 Cal
749000811Sinclair Chamber Length Gage/22 Cal

Mfr Part: G224

$5.99

In Stock

Caliber: 22 Caliber (.223-.224)

SINCLAIR CHAMBER LENGTH GAGE/6 MM
749-000-796WS
Sinclair Chamber Length Gage/6 mm
749000796Sinclair Chamber Length Gage/6 mm

Mfr Part: G243

$5.99

In Stock

Caliber: 243/6 mm (.243)

SINCLAIR CHAMBER LENGTH GAGE/6MM TI NC
749-000-751WS
Sinclair Chamber Length Gage/Tight Nec
749000751Sinclair Chamber Length Gage/Tight Nec

Mfr Part: G243T

$5.99

In Stock

Caliber: 243/6 mm (.243)

SINCLAIR CHAMBER LENGTH GAGE/25 CAL
749-000-771WS
Sinclair Chamber Length Gage/25 Cal
749000771Sinclair Chamber Length Gage/25 Cal

Mfr Part: G257

$5.99

In Stock

Caliber: 25 Caliber (.257)

SINCLAIR CHAMBER LENGTH GAGE/6.5 MM
749-000-783WS
Sinclair Chamber Length Gage/6.5 mm
749000783Sinclair Chamber Length Gage/6.5 mm

Mfr Part: G264

$5.99

In Stock

Caliber: 264/6.5 mm (.264)

SINCLAIR CHAMBER LENGTH GAGE/270
749-000-772WS
Sinclair Chamber Length Gage/270
749000772Sinclair Chamber Length Gage/270

Mfr Part: G277

$5.99

In Stock

Caliber: 270/6.8 mm (.277)

SINCLAIR CHAMBER LENGTH GAGE/7 MM
749-000-784WS
Sinclair Chamber Length Gage/7 mm
749000784Sinclair Chamber Length Gage/7 mm

Mfr Part: G284

$5.99

In Stock

Caliber: 284/7 mm (.284)

SINCLAIR CHAMBER LENGTH GAGE/32 CAL
749-011-493WS
Sinclair Chamber Length Gage/32 Cal
749011493Sinclair Chamber Length Gage/32 Cal

Mfr Part: G312

$5.99

In Stock

Caliber: 32 Caliber (.312-.313)

SINCLAIR CHAMBER LENGTH GAGE/338 CAL
749-000-752WS
Sinclair Chamber Length Gage/338 Cal
749000752Sinclair Chamber Length Gage/338 Cal

Mfr Part: G338

$5.99

In Stock

Caliber: 338 Caliber (.338)

SINCLAIR CHAMBER LENGTH GAGE/35 CAL
749-011-494WS
Sinclair Chamber Length Gage/35 Cal
749011494Sinclair Chamber Length Gage/35 Cal

Mfr Part: G358

$5.99

In Stock

Caliber: 35 Caliber (.358)

SINCLAIR CHAMBER LENGTH GAGE/9.3MM
749-011-503WS
Sinclair Chamber Length Gage/9.3mm
749011503Sinclair Chamber Length Gage/9.3mm

Mfr Part: G366

$5.99

In Stock

Caliber: 9.3 mm (.366)

SINCLAIR CHAMBER LENGTH GAGE/375 CAL
749-011-495WS
Sinclair Chamber Length Gage/375 Cal
749011495Sinclair Chamber Length Gage/375 Cal

Mfr Part: G375

$5.99

In Stock

Caliber: 375 Caliber (.375)

SINCLAIR CHAMBER LENGTH GAGE/408 CAL
749-011-497WS
Sinclair Chamber Length Gage/408 Cal
749011497Sinclair Chamber Length Gage/408 Cal

Mfr Part: G408

$5.99

In Stock

Caliber: 408 Cheytec (.408)

SINCLAIR CHAMBER LENGTH GAGE/416 CAL
749-011-498WS
Sinclair Chamber Length Gage/416 Cal
749011498Sinclair Chamber Length Gage/416 Cal

Mfr Part: G416

$5.99

In Stock

Caliber: 416 Caliber (.416)

SINCLAIR CHAMBER LENGTH GAGE/404 JEFFE
749-011-496WS
Sinclair Chamber Length Gage/404 Jeffery
749011496Sinclair Chamber Length Gage/404 Jeffery

Mfr Part: G422

$5.99

In Stock
SINCLAIR CHAMBER LENGTH GAGE/44 CAL
749-011-499WS
Sinclair Chamber Length Gage/44 Cal
749011499Sinclair Chamber Length Gage/44 Cal

Mfr Part: G429

$5.99

In Stock

Caliber: 44 Caliber (.429-.430)

SINCLAIR CHAMBER LENGTH GAGE/45 CAL
749-011-500WS
Sinclair Chamber Length Gage/45 Cal
749011500Sinclair Chamber Length Gage/45 Cal

Mfr Part: G458

$5.99

In Stock

Caliber: 45 Caliber (.451-.454)

SINCLAIR CHAMBER LENGTH GAGE/50 CAL
749-011-501WS
Sinclair Chamber Length Gage/50 Cal
749011501Sinclair Chamber Length Gage/50 Cal

Mfr Part: G510

$5.99

In Stock

Caliber: 50 Caliber (.510)

Sinclair Chamber Length Gage