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Questions & Answers
What cartridges will it check?? Expert Answer

This product, the Small Rifle Gauge, works with 204 Ruger, 22 Hornet, 223 Rem, 22-250, 300 AAC Blackout, 7.62 x 39.

Lyman also makes two others:

Handgun Gauge - 380 Auto, 9mm Luger, 38 Super, 40 S&W, 45 ACP, 38/357, 44 Mag/Special, 45 Colt, located here:
https://www.opticsplanet.com/lyman-handgun-cartridge-checker-7833000.html

Large Rifle Gauge - 243 Win, 270 Win, 30-30 Win, 308 Win, 30-06, 300 WSM, located here:
https://www.opticsplanet.com/lyman-large-rifle-cartridge-checker-7833002.html

Mark H.

by Mark H., Gear Expert, February 12, 2018
Customer Reviews
Helpful Positive Review It's an ammo checker by slacker, April 14, 2016
Purchased this checker in spite of the color. It is well made and is very accurate. It takes care of all the pistol calibers that I am currently reloading. The color is close to the TN Vols orange and I can live with that being a TN resident. As alw...
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1/3 found this helpful
Helpful Positive Review Bullet checker by Blademan, December 26, 2016
I like it but was very disappointed in the fact that it does not have a 300 win mag instead it has a 300 wan I don't any one using this round but shoot with 15 other people that shoot the 300 win mag when can I get one
4/7 found this helpful
Helpful Negative Review how does it check for sammi spec if it allows brass over max length to git flush like it's in spec by Josh A, Verified Owner, June 20, 2025
Got these to easily check brass length before loading. If it supposedly checks for sammi spec and headspace then i should be able to put a piece of brass in the guage and if it's over max case length then it shouldn't fit flush in the guage. But it d...
Read More...
1/1 found this helpful
Most Recent Reviews Great Lyman Product by Gary G., Verified Owner, August 30, 2015
I use these blocks on every rifle round I reload. Ensures that the brass has the correct dimensions for length and diameter so they fit my rifle chambers every time. Quick and easy. Don't like the color but other than that, I'm sold on the usefulness...
Read More...
0/1 found this helpful
Most Recent Reviews Cartridge Checker by Tim ONeil, August 25, 2015
Wish I would have discovered this gem years ago. Works simply and easily, and takes the headache out of making sure your ammunition will function reliably based on its external dimensions. A must have for the reloading bench.
0/1 found this helpful
Most Recent Reviews dont have a title. by 13was12, January 14, 2024
havent used it yet but it will work fine when i get around to it.
0/2 found this helpful
Read All 7 Reviews
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Product Info for Lyman Ammo Checkers

These are fast and easy Gunsmithing Equipment to check every round's length before chambering, but without having to adjust any dials! Lyman's Ammo Checker cartridge gauges are versatile for reloading or factory ammunition. Simply drop in the cartridge and if it fits in the Ammo Checker, it will fit in your chamber. If it doesn't fit, it's a no-go. Each unit has holes for multi-caliber applications, making the resetting of calipers and headspace gauges for each caliber obsolete. They're perfect for the shooting bench or the reloading bench! Available in a small rifle, large rifle, or handgun ammo checker, they fit all of the most common calibers. Buy all 3 today!image

Specifications for Lyman Ammo Checkers:

Manufacturer: Lyman
Fabric/Material: 6061-T6 Aluminum
Included Accessories: Standard
Color: Orange

Features of Lyman Ammo Checkers:

  • Handgun Gauge - 380 Auto, 9mm Luger, 38 Super, 40 S&W, 45 ACP, 38 SPL/357 Magnum, 44 Mag/Spl, 45 Colt
  • Small Rifle Gauge - 204 Ruger, 22 Hornet, 223 Remington, 22-250, 300 AAC Blackout, 7.62 x 39
  • Large Rifle Gauge - 243 Winchester, 270 Winchester, 30-30 Winchester, 308 Win, 30-06, 300 WSM

Package Contents:

  • Lyman Ammo Checkers

Lyman Ammo Checkers Orderable Models

List of Orderable Models

Lyman Cartridge Checker, Small Rifle, Orange, 7833001 , MPN: 7833001 , UPC: 011516730015 , Code: LY-C3-GVBRE-7833001
Lyman Cartridge Checker, Large Rifle, Orange, 7833002 , MPN: 7833002 , UPC: 011516730022 , Code: LY-C3-GVBRE-7833002
Lyman Cartridge Checker, Handgun, Orange, 7833000 , MPN: 7833000 , UPC: 011516730008 , Code: LY-C3-GVBRE-7833000
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