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577/450 Martini Henry Case & Ammunition Gauge
Part Number 577/450 CASE GAUGE
577/450 Martini Henry Case & Ammunition Gauge
577/450 Martini Henry Case & Ammunition Gauge
 
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Description

The Shooters Box case and ammunition gauges are manufactured right here in Malden Massachusetts, by American workers on American machines! 

This ammunition gauge is for the 577/450  Martin Henry.


Made from T6 6061 Aircraft Grade Aluminum, beautifully  satin aluminum finished and built to last a lifetime.  Each gauge is manufactured to  CIP (COMMISSION  INTERNATIONALE PERMANENTE ) minimum  chamber / headspace specifications.  The gauge will measure the maximum  cartridge length (full overall length) while checking the cartridge diameter.


A loaded cartridge should fit freely and easily into the gauge.  A cartridge that does fit properly may not correspond to the proper chamber dimensions. 

Place a clean cartridge into the gauge and make sure that it is completely seats by itself with no assistance to seat it.  The head of the bras should sit flush with  the upper face of the gauge (or slightly below).  If the cartridge sits higher than the upper step then your brass might be too long  or the cartridge diameter is incorrect.  It's easy to check by eye or with the help of a straight edge or steel rule.  With the cartridge in the gauge check the backside to make sure the tip (bullet end) is not protruding outside the back face of the gauge.  If the tip of the bullet protrudes from the end of the gauge  then the cartridge overall length is longer than the maximum allowed cartridge length.  If the cartridge does not easily drop into the gauge without assistance there is most likely something wrong with the dimensions of your cartridge.  A cartridge that will not easily fit into the gauge may or may not fit the chamber of your barrel.

 

Each  and every 577/450 cartridge gauge is hand checked with our own machined go / no  go gauges (as shown in the pictures).  Yes, we machined our very own go/nogo  cartridge gauges to exact CIP specifications and each of these case gauges are  checked by hand for absolute accuracy.  The go/no go gauge (as shown in the  pictures) is NOT included with this purchase, you are only purchasing one  cartridge gauge.

 

This  is a cartridge gauge and is not designed to resize brass cases or the cartridge!   This gauge is only designed to check the size of fully loaded or sized brass, do  not attempt to resize brass with this aluminum gauge!


Complete satisfaction guaranteed.  If for any reason you are not satisfied with this product please contact us at 781-321-9899. 


WARNING!!!  NEVER ATTEMPT TO RESIZE LOADED CARTRIDGES.  THIS IS EXTREMELY DANGEROUS AND COULD LEAD TO AN ACCIDENTAL DISCHARGE CAUSING INJURY OR DEATH.


In some instances your cartridge may sit flush with the  upper face of the gauge BUT the brass may be shorter than the CIP minimum specifications.  In this instance your ammunition may still fire and function correctly but it is up to you to confirm this will not cause an unsafe condition.  It is the reloaders responsibility to determine the cause of incorrectly sized cartridges and to correct it.  In some cases ammunition previously fired with maximum powder loads or with abnormally large barrel chamber diameters may not fit this gauge.  This is due to some resizing dies not being able to fully resize the brass cartridge all the way down to it's head. Any ammunition shown in pictures is purely for representation purposes and is not included with the purchase of this gauge.

UPC CODE : 731717817116
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