76241 Redding Titanium Nitride Neck Size Bushing
Accurate Arms and Ammo LLC A+(1519)
Factory New Condition
FFL is not required
Current Bid
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BuyNow! Price Was
$30.00
Starting Bid
$28.99
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Time Left 15 min rule
Item has Ended
8/8/2017 10:40 AM
Item 676742558
Location Mercer, PA 16137
Shipping
1st Class$4.00
Priority Mail$7.00
Seller ships internationally
Payment Visa / MasterCard, American Express, Discover, USPS Money Order
Checkout Yes
Sales Tax
Seller must collect sales tax from the following states:
PA 6%   
Inspection/ Return Policy
AS IS - No refund or exchange

The seller of this item assumes all responsibility for this listing. You must contact the seller to resolve any questions or concerns before placing a bid. Payment must be made using U.S. dollars ($) unless otherwise stated in the listing. Firearms may only be shipped to a licensed dealer (FFL Holder). Some listed items may not be legal in every state. Complete your purchase within the law.

Item Description

76241 Redding Titanium Nitride Neck Size Bushing

76xxx Redding Titanium Nitride Neck Size Bushing Heat treated steel with the addition of Titanium Nitride surface treatment to further increase the effective surface hardness and reduce sizing friction. Sizes from .185" to .368" in .001" increments.

The easiest way to determine the proper diameter bushing is to measure the neck diameter of several loaded or dummy cartridges with an accurate micrometer. (These dummy cartridges can be loaded with your old set of dies or a borrowed set.) Then, simply subtract 0.001" from the cartridge that had the smallest average measurement. This will allow for a slight amount of spring back and create a proper press fit for the bullet.

Another method of determining bushing size, is to measure the neck wall thickness of the cartridge cases with a ball type or tubing micrometer. Double this measurement and add the bullet diameter to calculate the neck diameter of a loaded cartridge. As above, subtract 0.001" from this figure to determine bushing size. This method is the least desirable of the two, as a ball micrometer is fairly expensive and more difficult to read consistently than a conventional micrometer.

If you're starting with new cases, the neck wall thickness can be determined as above with a ball micrometer, or you can seat boat-tail bullets in a few cases and measure their neck diameter. Generally, the neck diameter of new cases is small enough to hold a bullet without sizing. As a last resort, you can measure the neck wall thickness of the cases with a caliper. Be aware that you may not select the correct bushing on the first try when using a caliper to measure neck wall thickness, due to the reduced measuring accuracy of the caliper.

The above methods of determining bushing size require that the cases being sized have a fairly uniform neck wall thickness or have been neck turned. If the neck wall thickness varies more than 0.002", it may be necessary to use a bushing a couple of thousandths smaller than your calculations indicate, and then use a size button in the die to determine the final inside neck diameter.

Die NOT included.

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