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Bullet Seating Depth Guide, 0.690" Diameter
Bullet Seating Depth Guide, 0.690" Diameter
Bullet Seating Depth Guide, 0.675" Diameter
Bullet Seating Depth Gauge With Standard Guide
Bullet Seating Depth Guide, AR-308
Bullet Seating Depth Guide, AR-15
Bullet Seating Depth Guide, 0.690" Diameter
Bullet Seating Depth Guide, 0.690" Diameter
Bullet Seating Depth Guide, 0.675" Diameter
Bullet Seating Depth Gauge With Standard Guide
Bullet Seating Depth Guide, AR-308
Bullet Seating Depth Guide, AR-15
None
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SINCLAIR INTERNATIONAL - SINCLAIR BULLET SEATING DEPTH TOOL

19 Reviews
Model Number
Brownells #
749000885, 749001230, 749004650, 749008962
MFR #
SINCLAIR SEATING DEPTH GUIDE ., 59-4675, SINCLAIR SEATING DEPTH GAUGE, 308AR GUIDE FOR 59-4000
UPC
050806111639
$10.99 - $31.99
Coupon Code
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What is the SINCLAIR INTERNATIONAL - SINCLAIR BULLET SEATING DEPTH TOOL?

SINCLAIR BULLET SEATING DEPTH TOOL

The Sinclair Bullet Seating Depth Tool has been used for decades by handloaders seeking the most accuracy out of their rifles. Our newest model is made from one fourth inch ground and polished stainless steel with one end turned down for use with 17 and 20 caliber rifles and the other end used for 22 caliber and up. This tool helps you determine the length of a loaded round touching the rifling.

The Sinclair Seating Depth Tool will work with most bolt action, single shot and AR type rifles. The tool includes a Delrin action guide suitable for most bolt-action rifles (0.690” Diameter fits Remingtons, Savages, Winchesters, and many Rugers). For the most accurate measurement, the Sinclair Bullet Seating Depth Tool uses your fireformed brass and bullets so you can expect an exact measurement, every time.

Also available are guides use in AR-15's, AR-10's, and Tubb's 2000's. The guide is a little different than our standard bolt-action guides. This guide inserts into the back of the upper receiver (with the bolt removed). The tool is then used as normal.

For best results couple this tool with our Bullet Comparators and a good set of calipers to get repeatable and precise Base-To-Ogive measurements.

See all of our AR15s and AR15 parts here.

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SINCLAIR BULLET SEATING DEPTH TOOL REVIEWS

4.5
19 Reviews
5 Stars
79%
4 Stars
11%
3 Stars
0%
2 Stars
0%
1 Stars
11%
Reviews Summary
The SINCLAIR BULLET SEATING DEPTH TOOL is lauded for its ease of use and accuracy, with many users praising its sturdy design and high-quality materials. While it generally receives positive feedback, some customers faced issues with compatibility and measurement precision. Overall, it stands out as a trusted tool for reloaders seeking reliable performance.
What Reviewers Are Saying
Product Accuracy
65%
A majority of users highlight the accuracy of the Sinclair tool, noting it provides precise measurements for bullet seating depth. Many users reported consistent readings that helped enhance their reloading performance, signaling its reliability.
Ease of Use
70%
Numerous reviewers appreciated the straightforward design and instructions, making the tool easy to operate even for those new to reloading. Many found it simple to achieve the desired measurements with minimal fuss.
Product Quality
60%
Reviewers consistently commend the material and build quality of the tool, often comparing it favorably against cheaper alternatives. Users note that it feels sturdy and designed to last, which instills confidence during usage.
Compatibility Issues
25%
Some users encountered issues with product compatibility, particularly with specific firearm models and adapters. These problems sometimes led to challenges in achieving accurate readings, indicating a need for careful selection of attachments.
Customer Experience
20%
While many report positive experiences, a few reviewers express dissatisfaction regarding customer service or product discrepancies. This suggests a mixed reputation in handling user feedback, especially concerning negative reviews.
5
Works Greats
I bought this after a recommendation by an accomplished shooter/reloader...it worked perfectly on my small frame AR...my measurements were .002 different from the Loctite method...I'll pick up another one for the AR10.
by Mike C on February 08, 2022
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5
Great Product
So easy to use and exceptionally reliable. Extremely well made and excellent quality.
by CharlieG on October 12, 2021
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5
Great product
Use the correct guide as instructed and follow the easy instructions and you get the dimensions necessary to set your bullet seating depth accurately and consistently.
by Bob on February 11, 2021
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5
great tool
i accurize ammunition and firearms all the time and this tool is an invaluable object while doing this it has always been extremely accurate and if anyone has a fault with it they probably could not understand the simple instructions that came with it. the only problem i have with it is that it didn't come with the other bullet seating depth gages, but that was ok since Brownells had them all.
by rwrizley on September 28, 2020
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5
Easy and accurate
I now use this & the Hornady to compare readings. You need to do a little math and extra measurements to get Apple-to-Apple but what Ive discovered is the 2 are very close, giving me a comfort level I didnt have before. Now I might just use the Sinclair exclusively and do the Hornady occasionally for confirmation.
by RBD on April 23, 2020
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View All 19 Reviews
Customer Questions
18 Questions