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Lyman Reloading 30-06 Case Length/Headspace Gauge

by Lyman
4.9 out of 5 stars 56 customer reviews

Price: $25.31 & FREE Shipping on orders over $49. Details
Only 10 left in stock.
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  • Material: Steel
  • Cartridge: 30-06
16 new from $18.99

$25.31 & FREE Shipping on orders over $49. Details Only 10 left in stock. Sold by Oceanfront Products and Fulfilled by Amazon.

Frequently Bought Together

  • Lyman Reloading 30-06 Case Length/Headspace Gauge
  • +
  • Lyman Reloading 223 Case Length/Headspace Gauge
  • +
  • Lyman Reloading 308 Win Case Length/Headspace Gauge
Total price: $76.72
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Product Description

To achieve the highest degree of safety and accuracy, Lyman recommends that all bottleneck rifle cases be inspected after resizing to ensure that the proper headspace dimension is maintained. The best way to check this critical dimension is with a Lyman case length/headspace gauge. The reloader simply inserts the case into the gauge to insure that it does not exceed the maximum or fall below the minimum allowable headspace. In addition, the gauge will identify a case which exceeds the maximum allowable case length . Caution: Any case found with excessive headspace should be destroyed immediately.

Product Details

  • Item Weight: 5.6 ounces
  • Shipping Weight: 6.4 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B001QD9XQ2
  • Item model number: 7832320
  • Average Customer Review: 4.9 out of 5 stars  See all reviews (56 customer reviews)
  • Amazon Best Sellers Rank: #58,007 in Sports & Outdoors (See Top 100 in Sports & Outdoors)

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
New to reloading? Do you need a safe gauge to let you know if your cases are in spec? If you reload; you need a gauge that will check your fired cases to be sure that they are the correct length. This is a - SAMMI - specification gauge for checking your brass cases for length. It is also used for setting your resizing die to the proper length. Basically all .30-06 rifles are chamber bored to the same exact dimensions. This is not true. The rifles are not the same; there are slight differences between manufacturers, countries and machines. Enter SAMMI specification. This gauge sets the Maximum limits of a case to fit ALL .30-06 rifles. New loaders need to be concerned with this dimension. After learning to reload ammunition; and talking with other re-loaders, then you are able to branch out and experiment with chambering a case to your specific rifle chamber. THIS GAUGE KEEPS YOU WITHIN SAFE SPECIFICATIONS. I am an experienced re-loader and use it to check my neck sized cases. A MUST FOR RELOADERS!
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Verified Purchase
Easy to use. The notches on top help but I found that using the flex end of extended vernier calipers onthe top of the case head works best. If the bullet wiggles you're above tolerance.
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Verified Purchase
This has made reloading so much easier to check the OL of the bullet and the Diameter. My only complaint is the finish on the gauge. It is roughly machined and will scratch your brass. I polished mine a little, but you can still catch the ridges with a pick. The product would be superior if it was a polished finish.
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Verified Purchase
This is as an excellent tool. I was able to find 2 out of 90 rounds that did not have proper headspace and timing. This is an invaluable tool and I have also purchased it in the 223 cartridge and the 9 mm cartridge.
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Verified Purchase
This will give you peace of mind when setting up your sizing die- to make sure your rounds will chamber.
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By Jim K on February 15, 2014
Verified Purchase
Easy to use, provides instant feedback that a case is out of spec. If you pick up random range brass or buy mixed brass from gun shows and resize/trim them, this is a great little tool to help ensure the resizing is good and the length is in spec. I've found some damage from semi auto extractors using this gauge too.

There are instructions in the package and LE Wilson has instructions for using a similar gauge on Youtube. Instructions are nice especially if you are reloading your own once fired for your own same gun. It can keep you from over-working the brass unnecessarily if you're interested. If not this gauge helps you reproduce factory-like ammo with confidence.
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Verified Purchase
I have always put all pistol bullets through a Case gauge. Recently I ventured into Rifle reloading and immediately looked for a Case Length/Head-space gauge and found it on Amazon. It truly is the tool that lets you know all that you have done fine on and what you have left to do.
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By Badfish on January 21, 2015
Verified Purchase
Works great. I consider this a valuable and necessary tool. I can headspace after sizing and prepping further. I load for an M1 Garand and need my brass to function as flawless as possible. If you shoot a semi auto? You need one of these and a way to properly swage/ream primer pockets to avoid slam fire and FTF/ FTE issues.
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