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Lyman Products 300 AAC Blackout Case Length Headspace Gauge One Size, Black

US $52.35
Condition:
New
2 available
Breathe easy. Free shipping and returns.
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Free Standard Shipping.
Located in: Miami, Florida, United States
Delivery:
Estimated between Mon, May 19 and Thu, May 22 to 43230
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Returns:
30 days returns. Seller pays for return shipping.
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eBay item number:156946445570
Last updated on May 15, 2025 02:58:45 PDTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Type
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Sport/Activity
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Number of Rounds
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For Gun Type
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Material
Aluminum
Mounting Location
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Gauge/Caliber
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Ammunition Type
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Model
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For Gun Make
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Features
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Attachment Type
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Color
Black
Country/Region of Manufacture
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Mounting
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Handedness
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Power Source
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Item Height
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Item Length
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Item Weight
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Item Width
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Brand
Lyman
MPN
7832338
UPC
011516523389

Item description from the seller

About this seller

shop hot sell56

98.4% positive feedback•14K items sold

Joined May 2020
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Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

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Product ratings and reviews

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4.8
24 product ratings
  • 21 users rated this 5 out of 5 stars
  • 1 users rated this 4 out of 5 stars
  • 1 users rated this 3 out of 5 stars
  • 1 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

See all 13 reviews
  • by dandy-randy
    Apr 06, 2017Top favorable review

    Wonderful case length gauge

    Quit wondering If your reloads are good quality. This easy to use gauge will tell you what you have in seconds. Takes the guess work out of your reloads. Great tool. I now check every reload and have no more problems with jamming.

    Verified purchase: YesCondition: NewSold by: reds_trading_post_tfid

  • by cdo3
    Feb 22, 2018Top critical review

    Not for an AR type reload

    Bought this to insure the brass I was reloading for a 300AAC Blackout would be uniform. Unfortunately, the old saying "looks good on pager". Here is the problem, the chamber on most AR style Bolckouts is no uniform. With that in mind a tolerance in measurements of 100th of an inch will result in a round not cambering. This could be a potential hazardous problem, with a round firing that has not been fully chambered. The only sure way is to use a micrometer, painfully slow, but much safer. Again I can only speak for the AR type rifle. .

    Verified purchase: YesCondition: NewSold by: homeitemstore

  • by aharman-us
    Oct 02, 2018

    Gauge is tighter than SAAMI Spec

    I formed 300 AAC cases with a Lee die which are acceptable with this gauge. They do not fit in my new rifle which is to a minimum headspace. I bought Federal ammo which fits my rifle fine but fails the gauge. I bought SB forming dies to correct the problem with the Lee dies and they produce brass like the federal which runs fine but fails this gauge. Lyman notes a disclaimer that case that are .010 - .020 under in the neck to base may still be used. This is because this gauge is actually not to the true SAAMI limits. It is a subjective reference.

    Verified purchase: YesCondition: NewSold by: southwest217

  • by spudgun-com
    Jul 27, 2017

    Very useful item

    I have one of these for every caliber I reload. Easy to check your reloads for correct size.

    Verified purchase: YesCondition: NewSold by: 10indcav

  • by randavelin-0
    Sep 17, 2019

    Helps alleviate jamming

    Great product, absolutely necessary for making sure headspace is correct when building your own loads.

    Verified purchase: YesCondition: NewSold by: ixproperties

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