Build Better With Brownells & Save 15% On $250+ Parts Order w/ Code: BUILDBETTER

Build Better With Brownells & Save 15% On $250+ Parts Order w/ Code: BUILDBETTER

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OFF

SHORT ACTION CUSTOMS, LLC.6mm Modular Headspace Comparator Bullet Insert

Model Number
.20 Caliber
.22 Caliber
7mm
6.5mm
6mm
.375 Caliber
.416 Caliber
.338 Caliber
.30 Caliber
6mm Modular Headspace Comparator Bullet Insert
Brownells #
100050125
MFR #
SAC-6MMBI
UPC
$29.99

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Specifications
Model Number:
6mm
Caliber:
243/6 mm
Restriction
Can we ship this to you? (US only)
Description

Made In The U.S.A.

Products marked with the Stars and Stripes are proudly made in the U.S.A.

Many customers have asked us to show which products are made in America, and we’ve begun working with our vendors to identify them. This information, however, is not available for all items nor does it imply that foreign merchandise is of lesser quality. We will continue to gather this information to assist our customers in making informed buying decisions, and will keep our website current with the latest information.

Guaranteed. Forever.®

We make purchasing and returning products as simple as possible. If you buy a product from Brownells and decide you don’t need it, don’t want it, or just don’t like it, we’ll take it back any time… with a few exceptions

Exceptions include: 

  • Firearms
  • Ammunition
  • Modified 80% frames & receivers 
  • Gun powder
  • Primers
  • Liquids
  • Limited Quantity/Hazardous items
  • Products that are subject to pending or implemented restrictions due to Federal, State, or Local regulation/legislation

All other products are Guaranteed. Forever.® you can easily identify these products by the Guaranteed. Forever.® Icon.

Guaranteed. Forever.

Guaranteed. Forever.® return policy applies to the product’s original owner along with proof of purchase. Any items returned within 45 days of shipment are entitled to a refund. Any items returned after 45 days of shipment will be issued store credit in the form of a Brownells Gift Card. If a Brownells/Sinclair product was purchased through another retailer as a new product we will require proof of purchase to replace or refund.  (Refund will be issued as store credit in the form of a Brownells gift card.)  

Bullet Inserts for your Modular Headspace Comparator

***Requires Modular Headspace Comparator Body***

The Modular Headspace Body must be purchased separately and can be found at the Modular Headspace Comparator Body page. Why are you measuring a single point on the bullets ogive like all other bullet comparators do? This unique bullet comparator uses a 3.0 degree ""lead angle"" to contact your bullet's ogive in the exact same location as your barrel does, giving you the most accurate and useful measurements. For example, the 6.5mm Bullet Insert starts at a .266"" diameter and angles down at 3.0 degrees to .256"" diameter, exactly like a 6.5mm chambered barrel would. Manufactured from 17-4 Stainless Steel, these bullet inserts for the Modular Headspace Comparator are the most accurate way to measure your bullets and loaded ammunition for consistency.

Note: Straight Bullet Inserts are for individuals loading magazine length or using small bullets where the ogive sits very close to the case mouth of the cartridge.

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