{"id":64525,"date":"2016-10-14T09:05:10","date_gmt":"2016-10-14T13:05:10","guid":{"rendered":"https:\/\/www.gunsamerica.com\/blog\/?p=64525"},"modified":"2016-10-14T09:05:10","modified_gmt":"2023-08-20T07:46:39","slug":"deal-week-hornady-bullet-concentricity-gauge","status":"publish","type":"post","link":"https:\/\/gunsamerica.com\/digest\/deal-week-hornady-bullet-concentricity-gauge\/","title":{"rendered":"#Reloading: Straight Bullets = Accurate Ammo &#8211; Hornady Bullet Concentricity Gauge  (Deal of the Week)"},"content":{"rendered":"<div id=\"attachment_64529\" style=\"width: 1210px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-3.jpg\" target=\"_blank\" class=\"clickTracking\" campaign=\"deal-week-hornady-bullet-concentricity-gauge\" title=\"#Reloading: Straight Bullets = Accurate Ammo - Hornady Bullet Concentricity Gauge  (Deal of the Week)\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-64529\" title=\"#Reloading: Straight Bullets = Accurate Ammo - Hornady Bullet Concentricity Gauge  (Deal of the Week)\" class=\"size-full wp-image-64529\" src=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-3.jpg\" alt=\"The Hornady Concentricity Gauge tests alignment of the projectile with the case.\" width=\"1200\" height=\"900\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-3.jpg 1200w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-3-150x113.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-3-400x300.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-3-768x576.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-3-1024x768.jpg 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/a><p id=\"caption-attachment-64529\" class=\"wp-caption-text\">The Hornady Concentricity Gauge tests alignment of the projectile with the case.<\/p><\/div>\n<div style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.midsouthshooterssupply.com\/landingpages\/gunsamericagiveaway.aspx\" target=\"_blank\" class=\"clickTracking\" campaign=\"deal-week-hornady-bullet-concentricity-gauge\" title=\"#Reloading: Straight Bullets = Accurate Ammo - Hornady Bullet Concentricity Gauge  (Deal of the Week)\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" title=\"#Reloading: Straight Bullets = Accurate Ammo - Hornady Bullet Concentricity Gauge  (Deal of the Week)\" class=\"wp-image-63475 size-medium\" src=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2016\/09\/0.jpeg\" alt=\"Real Avid Micro Keychain Gun Multitools\" width=\"300\" height=\"250\" \/><\/a><p class=\"wp-caption-text\">Enter the Giveaway!<\/p><\/div>\n<p style=\"margin-bottom: 0px\">To purchase the products reviewed in this piece from <a href=\"https:\/\/www.midsouthshooterssupply.com\" campaign=\"MidsouthShooters\" target=\"_blank\" class=\"clickTracking\">Midsouth Shooters Supply<\/a>, click these links:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.midsouthshooterssupply.com\/item\/00005050076\/lock-n-load-ammo-concentricity-gauge\" campaign=\"MidsouthHornadyConcentricity\" target=\"_blank\" class=\"clickTracking\">Hornady Lock-N-Load Concentricity Gauge $104.11<\/a><\/li>\n<li><a href=\"https:\/\/www.midsouthshooterssupply.com\/item\/0001310157502case\/223-remington-match-77-grain-sierra-match-king-hollow-point-boat-tail-200-round-case\" campaign=\"MidsouthNormaAmmo\" target=\"_blank\" class=\"clickTracking\">Norma .223 Match Ammo, 200-round case $165.05<\/a><\/li>\n<\/ul>\n<p style=\"margin-bottom: 5px\">To enter the Midsouth Shooters\u2019 GunsAmerica Giveaway contest, click this link:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.midsouthshooterssupply.com\/landingpages\/gunsamericagiveaway.aspx\" campaign=\"MidsouthGiveaway\" target=\"_blank\" class=\"clickTracking\">https:\/\/www.midsouthshooterssupply.com\/landingpages\/gunsamericagiveaway.aspx<\/a><\/li>\n<\/ul>\n<p>As an avid reloader, I try really, really hard to make sure that I seat my rifle bullets straight in the case so that they are perfectly centered and aligned with the case itself. As an avid shooter, I assume that ammo companies do the same for the rifle cartridges I buy. Why? If a bullet starts its journey from a crooked beginning, it\u2019s probably not going to exhibit stellar accuracy and shot to shot consistency. I like to visualize a late-night Disco bowling gutter ball. You know, where that 16-pounder bounces from side to side all the way down the lane. Sure, you might get lucky and get a strike after the ball rattles down the lane, but your odds ain\u2019t so hot of bowling a perfect 300.<\/p>\n<p>Sure, even when using one rifle, there are some ammunition-related factors that contribute to accuracy and consistency, including, but certainly not limited to:<\/p>\n<ul>\n<li>Powder charge weight consistency<\/li>\n<li>Primer consistency<\/li>\n<li>Cartridge case length<\/li>\n<li>Overall length<\/li>\n<li>Distance between the bullet\u2019s bearing surface and the rifling<\/li>\n<li>Bullet construction and uniformity<\/li>\n<li>Bullet jacket consistency<\/li>\n<li>Cartridge case mouth thickness and uniformity<\/li>\n<li>And so on\u2026<\/li>\n<\/ul>\n<p>I\u2019m also thinking that the current distance between Jupiter\u2019s four Galilean Moons and Toad Suck, Arkansas, has something to do with overall accuracy, but that\u2019s admittedly more of a theory than a hard fact. The bottom line is that no single factor determines the accuracy or lack thereof.<\/p>\n<p>However, one big contributor to poor group consistency is bullet concentricity in the case. Think of it this way, if you stuff a bullet into a cartridge case exactly straight, then a line from the center of the tip through the exact center of the base would continue on through the mathematical center of the case and out the center of the primer. Assuming the chamber of your rifle is cut decently well, and the barrel is in line with the chamber, then perfect bullet alignment with the case will result in the bullet being forced into the rifling oriented directly with its flight path. If you cram a bullet into the cartridge case crooked, then it will be angled off to one side of the chamber and barrel so it will engage the rifling off center. The barrel will get it more or less straightened out as the bullet travels through the rifling, but this tipsy beginning is bound to result in inconsistent points of impact.<\/p>\n<p>Sometimes I just feel the need to get a little geeky and engage in some simple science. Fortunately, our friends at <a href=\"https:\/\/www.midsouthshooterssupply.com\" campaign=\"MidsouthShooters\" target=\"_blank\" class=\"clickTracking\">Midsouth Shooters Supply<\/a> feel compelled to help support important knowledge work like this; because, science! They kindly loaned some ammo and gear to do a little investigative research.<\/p>\n<h2>Measuring Concentricity<\/h2>\n<p>To get a handle on the bullet concentricity issue, I borrowed a <a href=\"https:\/\/www.midsouthshooterssupply.com\/item\/00005050076\/lock-n-load-ammo-concentricity-gauge\" campaign=\"MidsouthHornadyGauge\" target=\"_blank\" class=\"clickTracking\">Hornady Bullet Concentricity Gauge<\/a> from the Midsouth folks. This nifty little tool is handy whether you reload your own or stick to factory ammo. Its purpose is to figure out of the bullet is aligned perfectly with the centerline of the overall cartridge. It has a large piston at one end with a hollowed out, concave cut. This is where you rest the base of the cartridge, and the concave shape automatically centers the base. On the opposite side is another piston, this one spring-loaded, that holds the tip of the bullet. It also centers the projectile relative to the gauge. A spring-loaded sensor slides up and down a track between the two pistons, allowing you to place the probe of the gauge right on the bullet itself. Then you just rotate the cartridge case with your hand. If the feeler probe moves back and forth, then the bullet is not centered. The dial gauge shows you how many thousandths of an inch the projectile is off center. There\u2019s also a thumbscrew with a polymer tip that you can use to correct out-of-alignment bullets, but we\u2019ll get to that in a minute.<\/p>\n<div id=\"attachment_64532\" style=\"width: 1034px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-2.jpg\" target=\"_blank\" class=\"clickTracking\" campaign=\"deal-week-hornady-bullet-concentricity-gauge\" title=\"#Reloading: Straight Bullets = Accurate Ammo - Hornady Bullet Concentricity Gauge  (Deal of the Week)\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-64532\" title=\"#Reloading: Straight Bullets = Accurate Ammo - Hornady Bullet Concentricity Gauge  (Deal of the Week)\" class=\"size-large wp-image-64532\" src=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-2-1024x768.jpg\" alt=\"The silver probe on the left measures variance while the thumbscrew on the right allows you to make corrections. \" width=\"1024\" height=\"768\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-2-1024x768.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-2-150x113.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-2-400x300.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-2-768x576.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-2.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><p id=\"caption-attachment-64532\" class=\"wp-caption-text\">The silver probe on the left measures variance while the thumbscrew on the right allows you to make corrections.<\/p><\/div>\n<p>To get a baseline on what we ought to expect from known good ammunition, the Midsouth Shooters Supply folks sent along some <a href=\"https:\/\/www.midsouthshooterssupply.com\/item\/0001310157502case\/223-remington-match-77-grain-sierra-match-king-hollow-point-boat-tail-200-round-case\" campaign=\"MidsouthNormaAmmo\" target=\"_blank\" class=\"clickTracking\">Norma .223 Match Ammo<\/a> ammunition. This ammo is topped with 77-grain Sierra Matchking bullets, which are about as close to top-of-the-line accuracy projectiles as you can get.<\/p>\n<p>To check out the variance one might expect in various types of factory ammo, I randomly selected ten rounds from the supply of Norma Match 223. To keep things interesting, I didn\u2019t pick more than three from any single box, so the 10 cartridges came out of four random boxes. This is match-quality ammo designed for accuracy, so I expected I would see some low concentricity variance numbers. To get a feel for how budget practice ammo might differ, I did the same for ten randomly selected rounds too. I won\u2019t name the brand as I\u2019m performing a bit of an unfair evaluation. As budget practice ammo, I don\u2019t expect the same attention to detail with little things like concentricity, so I don\u2019t want to penalize the company \u2013 they don\u2019t advertise or price this as match grade ammo.<\/p>\n<div id=\"attachment_64533\" style=\"width: 1034px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2016\/10\/Norma-Match-223-ammo-1.jpg\" target=\"_blank\" class=\"clickTracking\" campaign=\"deal-week-hornady-bullet-concentricity-gauge\" title=\"#Reloading: Straight Bullets = Accurate Ammo - Hornady Bullet Concentricity Gauge  (Deal of the Week)\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-64533\" title=\"#Reloading: Straight Bullets = Accurate Ammo - Hornady Bullet Concentricity Gauge  (Deal of the Week)\" class=\"size-large wp-image-64533\" src=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2016\/10\/Norma-Match-223-ammo-1-1024x768.jpg\" alt=\"The Norma Match-223 77-grain ammo was accurate, and concentric, out of the box. \" width=\"1024\" height=\"768\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Norma-Match-223-ammo-1-1024x768.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Norma-Match-223-ammo-1-150x113.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Norma-Match-223-ammo-1-400x300.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Norma-Match-223-ammo-1-768x576.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Norma-Match-223-ammo-1.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><p id=\"caption-attachment-64533\" class=\"wp-caption-text\">The Norma Match-223 77-grain ammo was accurate, and concentric, out of the box.<\/p><\/div>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"100\"><strong>Cartridge<\/strong><\/td>\n<td width=\"250\"><strong>Norma Match 223 77-grain Sierra Matchking (inches)<\/strong><\/td>\n<td width=\"250\"><strong>Practice ammo, 55-grain FMJ (inches)<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"72\">1<\/td>\n<td width=\"104\">.001<\/td>\n<td width=\"95\">.005<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">2<\/td>\n<td width=\"104\">.001<\/td>\n<td width=\"95\">.001<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">3<\/td>\n<td width=\"104\">.001<\/td>\n<td width=\"95\">.002<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">4<\/td>\n<td width=\"104\">.0005<\/td>\n<td width=\"95\">.004<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">5<\/td>\n<td width=\"104\">.001<\/td>\n<td width=\"95\">.003<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">6<\/td>\n<td width=\"104\">.0005<\/td>\n<td width=\"95\">.002<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">7<\/td>\n<td width=\"104\">.002<\/td>\n<td width=\"95\">.0015<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">8<\/td>\n<td width=\"104\">.001<\/td>\n<td width=\"95\">.002<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">9<\/td>\n<td width=\"104\">.002<\/td>\n<td width=\"95\">.004<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">10<\/td>\n<td width=\"104\">.001<\/td>\n<td width=\"95\">.004<\/td>\n<\/tr>\n<tr>\n<td width=\"72\">Average<\/td>\n<td width=\"104\">.00110<\/td>\n<td width=\"95\">.00285<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>While I didn\u2019t measure the full random routine from multiple boxes, I did some spot checks against other reasonably premium ammo to see just how concentric the Norma Match 223 was in comparison. I took a few measurements of a couple of different cartridges and averaged the results.<\/p>\n<ul>\n<li>Hornady 55-grain V-Max: .0025 inch<\/li>\n<li>Winchester PDX1 223 Defender 60-grain: .002 inch<\/li>\n<li>Federal Fusion MSR 62-grain: .003 inch<\/li>\n<\/ul>\n<p>So do these differences matter? Comparing groups of different ammo against each other won\u2019t tell us much about the single concentricity variable, so I decided to get a little scientific about the matter.<\/p>\n<h2>Breaking Good Ammunition<\/h2>\n<p>Here\u2019s my public apology to the good folks at Norma Ammunition. I\u2019m sorry I broke your ammo! How? Remember earlier when I said that the Hornady Concentricity Gauge has an adjustment screw to straighten out wayward ammo? Well, you can use that screw to foul up concentricity too. I pulled another random ten rounds of the 77-grain Norma Match-223, and, well, bent the crap out of them. It turns out it\u2019s kinda hard to do too much damage, but I was able to get the bullets out of whack with the centerline by about five one-thousandths of an inch, or nearly five times the normal variance from the factory. My idea was to &#8220;break&#8221; these ten rounds, then fire a careful 100-yard group to see if there was any noticeable difference in precision.<\/p>\n<div id=\"attachment_64530\" style=\"width: 1034px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-1-2.jpg\" target=\"_blank\" class=\"clickTracking\" campaign=\"deal-week-hornady-bullet-concentricity-gauge\" title=\"#Reloading: Straight Bullets = Accurate Ammo - Hornady Bullet Concentricity Gauge  (Deal of the Week)\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-64530\" title=\"#Reloading: Straight Bullets = Accurate Ammo - Hornady Bullet Concentricity Gauge  (Deal of the Week)\" class=\"size-large wp-image-64530\" src=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-1-2-1024x768.jpg\" alt=\"Here's one of the Norma Match-223 rounds that I &quot;bent&quot; to about 5\/1000ths off center. \" width=\"1024\" height=\"768\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-1-2-1024x768.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-1-2-150x113.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-1-2-400x300.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-1-2-768x576.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-1-2.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><p id=\"caption-attachment-64530\" class=\"wp-caption-text\">Here&#8217;s one of the Norma Match-223 rounds that I &#8220;bent&#8221; to about 5\/1000ths off center.<\/p><\/div>\n<p>To make things really interesting, I pulled another random ten rounds of the Norma Match-223 and ran them through the gauge to straighten them even more. With a little careful tuning, I was able to get all ten under one one-thousandth of an inch.<\/p>\n<h2>Are Concentric Bullets Significantly More Accurate?<\/h2>\n<p>I fired two ten-round groups from 100-yards using the same Armalite <a href=\"https:\/\/www.gunsamerica.com\/blog\/6-pound-sub-moa-999-5-56mm-ar-full-review\/\" campaign=\"Armalitereview\" target=\"_blank\" class=\"clickTracking\">M-15 rifle <\/a>I had used in all previous tests. The result? The \u201cbent\u201d ammo grouped ten shots into 3.01 inches. The concentric ammo put ten shots into 1.17 inches. That\u2019s almost a three-fold difference.<\/p>\n<div id=\"attachment_64531\" style=\"width: 1034px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-Norma-Ammo-1.jpg\" target=\"_blank\" class=\"clickTracking\" campaign=\"deal-week-hornady-bullet-concentricity-gauge\" title=\"#Reloading: Straight Bullets = Accurate Ammo - Hornady Bullet Concentricity Gauge  (Deal of the Week)\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-64531\" title=\"#Reloading: Straight Bullets = Accurate Ammo - Hornady Bullet Concentricity Gauge  (Deal of the Week)\" class=\"size-large wp-image-64531\" src=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-Norma-Ammo-1-1024x768.jpg\" alt=\"Does concentricity matter? Based on these 10-shot groups, I'd say so. \" width=\"1024\" height=\"768\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-Norma-Ammo-1-1024x768.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-Norma-Ammo-1-150x113.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-Norma-Ammo-1-400x300.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-Norma-Ammo-1-768x576.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/10\/Hornady-Concentricity-Gauge-Norma-Ammo-1.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><p id=\"caption-attachment-64531\" class=\"wp-caption-text\">Does concentricity matter? Based on these 10-shot groups, I&#8217;d say so.<\/p><\/div>\n<p>While we\u2019re admittedly not doing statistical analysis here, the results convinced me. I literally shot these groups from the same lot of ammo, within minutes of each other with the same rifle, and saw a dramatic performance difference. If you\u2019ve got an accuracy itch that needs scratching, check out the Hornady Concentricity Gauge. It\u2019ll help you tune not only hand loads, but factory ammo as well.<\/p>\n<h2><strong><a href=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2016\/09\/2016catalog-1.jpg\" target=\"_blank\" class=\"clickTracking\" campaign=\"deal-week-hornady-bullet-concentricity-gauge\" title=\"#Reloading: Straight Bullets = Accurate Ammo - Hornady Bullet Concentricity Gauge  (Deal of the Week)\"><img loading=\"lazy\" decoding=\"async\" title=\"#Reloading: Straight Bullets = Accurate Ammo - Hornady Bullet Concentricity Gauge  (Deal of the Week)\" class=\"alignright size-medium wp-image-63560\" src=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2016\/09\/2016catalog-1-235x300.jpg\" alt=\"Midsouth 2016catalog\" width=\"235\" height=\"300\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/09\/2016catalog-1-235x300.jpg 235w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/09\/2016catalog-1-117x150.jpg 117w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/09\/2016catalog-1.jpg 244w\" sizes=\"(max-width: 235px) 100vw, 235px\" \/><\/a>Midsouth Shooters&#8217; GunsAmerica Giveaway<\/strong><\/h2>\n<p>Midsouth Shooters is a great resource for products like the above pieces at great prices. The company is offering you the chance to win one of the items covered in this and future GunsAmerica articles on Midsouth&#8217;s products. Just click the link, and gain tons of entries right up until the giveaway scheduled for 11-23-16. In addition, you can receive a free copy of the 240-page Reloading and Shooting Supply catalog from Midsouth Shooters! For more than 45 years, Midsouth Shooters has provided reloaders and shooters top-quality supplies and great prices. Click on the link and sign up to receive your free copy. See why so many shooters across the country shop at Midsouth Shooters.<\/p>\n<p>To enter the Midsouth Shooters\u2019 GunsAmerica Giveaway contest, click this link:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.midsouthshooterssupply.com\/landingpages\/gunsamericagiveaway.aspx\" campaign=\"MidsouthGiveaway\" target=\"_blank\" class=\"clickTracking\">https:\/\/www.midsouthshooterssupply.com\/landingpages\/gunsamericagiveaway.aspx<\/a><\/li>\n<\/ul>\n<p>To purchase the products reviewed in this piece, click these links:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.midsouthshooterssupply.com\/item\/00005050076\/lock-n-load-ammo-concentricity-gauge\" campaign=\"MidsouthHornadyConcentricity\" target=\"_blank\" class=\"clickTracking\">Hornady Lock-N-Load Concentricity Gauge $104.11<\/a><\/li>\n<li><a href=\"https:\/\/www.midsouthshooterssupply.com\/item\/0001310157502case\/223-remington-match-77-grain-sierra-match-king-hollow-point-boat-tail-200-round-case\" campaign=\"MidsouthNormaAmmo\" target=\"_blank\" class=\"clickTracking\">Norma .223 Match Ammo, 200-round case $165.05<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>One big contributor to poor group consistency is bullet concentricity in the case. 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