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The Basics, Starting Out
This Accuracy Thing
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<blockquote data-quote="royinidaho" data-source="post: 975682" data-attributes="member: 2011"><p>Back in the day when I shot Benchrest if 5 5-shot groups @ 100 and 5 5-shot groups @ 200 yards didn't average around 0.3 MOA you were down on the bottom half of the standings list. For me that was 40 years ago.</p><p></p><p>I quit bench rest when H&K came out with an semi-auto 308 that would almost approach that accuracy.</p><p></p><p>Nowa days I tune to get at least 3 shots into 1/2 MOA on a consistent basis at all ranges. The shorter the range the higher the success rate.</p><p></p><p>A fella can burn up a ton of barrel life trying to get the rifle to shoot tiny groups when most of the time the problem is the driver.</p><p></p><p>Example, this afternoon while doing some bullet testing I tuned things up to get MOA accuracy @ 100 yards. The test was to see if the bullets would be consistent and hold together at extreme velocities (170 class bullets in excess of 3500 FPS MV)</p><p></p><p>After I determined that they were consistent and held together I shot a 1 MOA group @ 100 then moved to 300 to check the drop to get an idea of bc. The 3 shots @ 300 went into an MOA but drop was almost twice what it should have been.:roll eyes:</p><p></p><p>The problem …. the driver. The 100 yard group was shot from a Cabelas super hooty folding bench that I've steadied as much as possible without casting it in concrete. </p><p></p><p>I'm satisfied with MOA consistency when shooting from it. The reticle typically hovers around the 1 inch aiming dot. From that platform MOA 3 shot consistency is acceptable.</p><p></p><p>The 300 yard group was fired from a rock solid prone bipod sand bag position. The rifle never moved from the target paper when the trigger broke. Result an MOA group with twice the expected drop.</p><p></p><p>Lesson learned……again. Be SOLID and consistent in your shooting position.</p><p></p><p>A better and shorter answer set the target at long range, beyond 350 or so and fire 1 shot per day for 5 days. If you keep 'em within a half MOA of Point of Aim I'd say you're good to go.</p><p></p><p>And, ya gotta count every shot!!!!</p></blockquote><p></p>
[QUOTE="royinidaho, post: 975682, member: 2011"] Back in the day when I shot Benchrest if 5 5-shot groups @ 100 and 5 5-shot groups @ 200 yards didn't average around 0.3 MOA you were down on the bottom half of the standings list. For me that was 40 years ago. I quit bench rest when H&K came out with an semi-auto 308 that would almost approach that accuracy. Nowa days I tune to get at least 3 shots into 1/2 MOA on a consistent basis at all ranges. The shorter the range the higher the success rate. A fella can burn up a ton of barrel life trying to get the rifle to shoot tiny groups when most of the time the problem is the driver. Example, this afternoon while doing some bullet testing I tuned things up to get MOA accuracy @ 100 yards. The test was to see if the bullets would be consistent and hold together at extreme velocities (170 class bullets in excess of 3500 FPS MV) After I determined that they were consistent and held together I shot a 1 MOA group @ 100 then moved to 300 to check the drop to get an idea of bc. The 3 shots @ 300 went into an MOA but drop was almost twice what it should have been.:roll eyes: The problem …. the driver. The 100 yard group was shot from a Cabelas super hooty folding bench that I've steadied as much as possible without casting it in concrete. I'm satisfied with MOA consistency when shooting from it. The reticle typically hovers around the 1 inch aiming dot. From that platform MOA 3 shot consistency is acceptable. The 300 yard group was fired from a rock solid prone bipod sand bag position. The rifle never moved from the target paper when the trigger broke. Result an MOA group with twice the expected drop. Lesson learned……again. Be SOLID and consistent in your shooting position. A better and shorter answer set the target at long range, beyond 350 or so and fire 1 shot per day for 5 days. If you keep 'em within a half MOA of Point of Aim I'd say you're good to go. And, ya gotta count every shot!!!! [/QUOTE]
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