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Gauges & Measuring Tools

43 Items

Headspace Gauges, Calipers, Micrometers & Alignment Tools - 43 Products

We offer a wide selection of gauges and measuring tools (43) designed for precise measurement and alignment in gunsmithing. These General Gunsmith Tools are essential for ensuring accuracy in firearm repairs, modifications, and custom builds, allowing gunsmiths to work with confidence and precision.

Our range includes headspace gauges for checking the safe chamber fit of cartridges in rifles and handguns, a critical step in ensuring the firearm functions properly and safely. Calipers and micrometers provide detailed measurements of small components, ensuring accurate fitting of pins, screws, and other parts. Additionally, we offer alignment tools, perfect for aligning barrels, sights, or other components during assembly. Each tool is built to provide the highest level of accuracy, ensuring that your gunsmithing work is completed to exact specifications.

Shop trusted brands like BROWNELLS, FORSTER, MANSON PRECISION, and LYMAN at Brownells and take advantage of savings on gauges and measuring tools that deliver the precision required for professional gunsmithing and firearm maintenance.

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STARRETT - 120 SERIES 6" DIAL CALIPERS STARRETT - 120 SERIES 6" DIAL CALIPERS
5 Stars
(5.0)

$249.99

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MITUTOYO - DIGIMATIC ELECTRONIC OUTSIDE MICROMETER MITUTOYO - DIGIMATIC ELECTRONIC OUTSIDE MICROMETER
5 Stars
(5.0)

$234.99

In stock
IGAGING - iGAGING DIGITAL PRECISION DEPTH GAUGE SET IGAGING - iGAGING DIGITAL PRECISION DEPTH GAUGE SET
5 Stars
(5.0)

$71.99

In stock
MANSON PRECISION - MANSON PRECISION RIMMED CARTRIDGE HEADSPACE GAUGE MANSON PRECISION - MANSON PRECISION RIMMED CARTRIDGE HEADSPACE GAUGE
5 Stars
(5.0)

$54.99 - $59.99

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MANSON PRECISION - RIMFIRE CARTRIDGE HEADSPACE GAUGES MANSON PRECISION - RIMFIRE CARTRIDGE HEADSPACE GAUGES
5 Stars
(5.0)

$54.99

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FORSTER - FORSTER 7.62 NATO MAXIMUM CHAMBER GAUGE FORSTER - FORSTER 7.62 NATO MAXIMUM CHAMBER GAUGE
5 Stars
(5.0)

$36.99

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BROWNELLS - BROWNELL’S HEAT-TREATED THERMOMETER BROWNELLS - BROWNELL’S HEAT-TREATED THERMOMETER
5 Stars
(5.0)

$35.99

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CLYMER - CLYMER FIELD HEADSPACE GAUGES CLYMER - CLYMER FIELD HEADSPACE GAUGES
5 Stars
(5.0)

$33.00

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IGAGING - IGAGING EZ CAL X-LARGE DIGITAL DISPLAY CALIPERS IGAGING - IGAGING EZ CAL X-LARGE DIGITAL DISPLAY CALIPERS
5 Stars
(5.0)

$25.99

In stock
BROWNELLS - BROWNELL'S STRAIGHT THREAD PITCH GAUGE BROWNELLS - BROWNELL'S STRAIGHT THREAD PITCH GAUGE
5 Stars
(5.0)

$14.99 - $16.99

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MERCHANT - MERCHANT THROAT EROSION GAUGE MERCHANT - MERCHANT THROAT EROSION GAUGE
5 Stars
(4.9)

$46.99

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LYMAN - DIGITAL CALIPER LYMAN - DIGITAL CALIPER
5 Stars
(4.9)

$42.99

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BROWNELLS - BROWNELL'S SCREW CHEK'R BROWNELLS - BROWNELL'S SCREW CHEK'R
5 Stars
(4.9)

$16.49 - $17.49

In stock
CLYMER - CLYMER GO & NO-GO HEADSPACE GAUGE SETS CLYMER - CLYMER GO & NO-GO HEADSPACE GAUGE SETS
5 Stars
(4.8)

$66.99 - $99.99

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LYMAN - LYMAN DIAL CALIPER LYMAN - LYMAN DIAL CALIPER
5 Stars
(4.8)

$44.99

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Product badge CLYMER - CLYMER NO-GO HEADSPACE GAUGES CLYMER - CLYMER NO-GO HEADSPACE GAUGES
5 Stars
(4.6)

$26.99 - $45.00

$33.00

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BIRCHWOOD CASEY - BIRCHWOOD CASEY FIREARM TRIGGER SCALE BIRCHWOOD CASEY - BIRCHWOOD CASEY FIREARM TRIGGER SCALE
5 Stars
(4.6)

$27.49

In stock
MANSON PRECISION - MANSON PRECISION RIMLESS CARTRIDGE HEADSPACE GAUGE MANSON PRECISION - MANSON PRECISION RIMLESS CARTRIDGE HEADSPACE GAUGE
5 Stars
(4.4)

$40.00 - $89.99

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LYMAN - LYMAN ELECTRONIC TRIGGER PULL GAUGE LYMAN - LYMAN ELECTRONIC TRIGGER PULL GAUGE
5 Stars
(4.2)

$59.99

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Product badge FORSTER - FORSTER SAAMI RIMLESS HEADSPACE GAUGES FORSTER - FORSTER SAAMI RIMLESS HEADSPACE GAUGES
5 Stars
(4.1)

$18.89 - $36.99

$30.99 - $36.99

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MANSON PRECISION - MANSON PRECISION WALL THICKNESS GAUGE MANSON PRECISION - MANSON PRECISION WALL THICKNESS GAUGE
5 Stars
(4.0)

$149.99

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Product badge CLYMER - CLYMER GO HEADSPACE GAUGES CLYMER - CLYMER GO HEADSPACE GAUGES
5 Stars
(4.0)

$26.99 - $45.00

$33.00

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FORSTER - FORSTER 7.62 MATCH GAUGES FORSTER - FORSTER 7.62 MATCH GAUGES
5 Stars
(4.0)

$36.99

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LYMAN - LYMAN MECHANICAL TRIGGER PULL GAUGE LYMAN - LYMAN MECHANICAL TRIGGER PULL GAUGE
5 Stars
(4.0)

$22.99

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STARRETT - AMERICAN PRIDE OUTSIDE MICROMETERS STARRETT - AMERICAN PRIDE OUTSIDE MICROMETERS
5 Stars
(2.0)

$189.99 - $219.99

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FORSTER - FORSTER .223 HEADSPACE GAUGE 11-PIECE SET FORSTER - FORSTER .223 HEADSPACE GAUGE 11-PIECE SET
5 Stars
(0.0)

$355.99

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BADGER ORDNANCE - BADGER ORDNANCE CHAMBERING GAGE BADGER ORDNANCE - BADGER ORDNANCE CHAMBERING GAGE
5 Stars
(0.0)

$93.00

In stock
MANSON PRECISION - BELTED CARTRIDGE HEADSPACE GAUGES MANSON PRECISION - BELTED CARTRIDGE HEADSPACE GAUGES
5 Stars
(0.0)

$54.99 - $64.99

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BROWNELLS - REVOLVER CYLINDER GAUGES BROWNELLS - REVOLVER CYLINDER GAUGES
5 Stars
(0.0)

$49.99

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Products:   –   of 43