
Case Gauge – Precision Ammo Cartridge Checker for Reloading, Chamber Testing & Case Sizing – Aerospace-Grade Aluminum, SAAMI Specs
STG OUTDOOR ACCESSORIES – Since 2010, Manufacturing with Excellence.
The STG Case Gauge is an essential tool for reloaders, ensuring reliability, safety, and precision in verifying case dimensions, overall length, and chamber compatibility for .357 ammunition. Made from aerospace-grade 6061-T6 aluminum with an anodized finish, it meets SAAMI specifications, preventing malfunctions, misfires, and feeding issues.
? Quickly detects defects, preventing firearm malfunctions.
? Trusted by competitive shooters & professionals, including law enforcement and instructors.
? Enhances accuracy & performance, reducing jams and inconsistent bullet seating.
Unlike fragile plastic gauges, the STG Case Gauge is built for durability and precision, making it a must-have for shooters and reloading enthusiasts.
Manufactured in Brazil.
![]() STG .357 Case Gauge – Precision Ammo Cartridge Checker for Reloading, Chamber... | ![]() STG 9mm Case Gauge – Precision Ammo Cartridge Checker for Reloading, Chamber ... | ![]() STG .45 Case Gauge – Precision Ammo Cartridge Checker for Reloading, Chamber ... | ![]() STG .40 Case Gauge – Precision Ammo Cartridge Checker for Reloading, Chamber ... | ![]() STG .380 Case Gauge – Precision Ammo Cartridge Checker for Reloading, Chamber... | ![]() STG .38 Case Gauge – Precision Ammo Cartridge Checker for Reloading, Chamber ... | |
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| Customer Reviews | — | — | — | — | — | — |
| Price | — | — no data | — no data | — no data | — no data | — no data |
| Caliber | .357 | 9mm | .45 | .40 | .380 | .38 |

Case Gauge – Precision Ammo Cartridge Checker for Reloading, Chamber Testing & Case Sizing – Aerospace-Grade Aluminum, SAAMI Specs
STG OUTDOOR ACCESSORIES – Since 2010, Manufacturing with Excellence.
The STG Case Gauge is an essential tool for reloaders, ensuring reliability, safety, and precision in verifying case dimensions, overall length, and chamber compatibility for .357 ammunition. Made from aerospace-grade 6061-T6 aluminum with an anodized finish, it meets SAAMI specifications, preventing malfunctions, misfires, and feeding issues.
? Quickly detects defects, preventing firearm malfunctions.
? Trusted by competitive shooters & professionals, including law enforcement and instructors.
? Enhances accuracy & performance, reducing jams and inconsistent bullet seating.
Unlike fragile plastic gauges, the STG Case Gauge is built for durability and precision, making it a must-have for shooters and reloading enthusiasts.
Manufactured in Brazil.
![]() STG .357 Case Gauge – Precision Ammo Cartridge Checker for Reloading, Chamber... | ![]() STG 9mm Case Gauge – Precision Ammo Cartridge Checker for Reloading, Chamber ... | ![]() STG .45 Case Gauge – Precision Ammo Cartridge Checker for Reloading, Chamber ... | ![]() STG .40 Case Gauge – Precision Ammo Cartridge Checker for Reloading, Chamber ... | ![]() STG .380 Case Gauge – Precision Ammo Cartridge Checker for Reloading, Chamber... | ![]() STG .38 Case Gauge – Precision Ammo Cartridge Checker for Reloading, Chamber ... | |
|---|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — | — |
| Price | — | — no data | — no data | — no data | — no data | — no data |
| Caliber | .357 | 9mm | .45 | .40 | .380 | .38 |





















