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Gunwerks G7 BR2 Rangefinder Review
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<blockquote data-quote="Greyfox" data-source="post: 1223401" data-attributes="member: 10291"><p>Woolecox,</p><p> </p><p>I used Shooter before I acquired my G7 about 5 years ago and continue to use it for some of my ELR shooting due to the the advanced capabilities like SD and CE. When I acquired my G7 originally, and more recently, the new version, both Shooter and the G7's were compared from 350 altitude to 6000 altitude over a wide temperature range. The trajectory outputs in MOA and Mil is identical between Shooter and the G7 units out to well over 1000 yards. Given that the rifle is zeroed and the indicated fields are filled, the G7 does not require an atmospheric baseline. It appears that Shooter doesn't either if an accurate density and temperature is input at the time of the reading. </p><p>A good test for you to see the effects of pressure density and temperature on your zero would be to change your atmospheric conditions in Shooter over a wide range and check the effect on your trajectory table at 100 or 200 yards. In my 6.5x 284 a combined 6000 ft elevation and 50 degree temperature difference has a .1MOA impact on trajectory at 300 yards with a 200 yard zero.... If my zero changes, something else is probably going on.</p><p>Oversll, I have taken more than a couple of dozen game animals and lost count of PD's and coyotes from 500-1200 yards with both versions of the G7 in MOA mode. It does work superbly!</p></blockquote><p></p>
[QUOTE="Greyfox, post: 1223401, member: 10291"] Woolecox, I used Shooter before I acquired my G7 about 5 years ago and continue to use it for some of my ELR shooting due to the the advanced capabilities like SD and CE. When I acquired my G7 originally, and more recently, the new version, both Shooter and the G7's were compared from 350 altitude to 6000 altitude over a wide temperature range. The trajectory outputs in MOA and Mil is identical between Shooter and the G7 units out to well over 1000 yards. Given that the rifle is zeroed and the indicated fields are filled, the G7 does not require an atmospheric baseline. It appears that Shooter doesn't either if an accurate density and temperature is input at the time of the reading. A good test for you to see the effects of pressure density and temperature on your zero would be to change your atmospheric conditions in Shooter over a wide range and check the effect on your trajectory table at 100 or 200 yards. In my 6.5x 284 a combined 6000 ft elevation and 50 degree temperature difference has a .1MOA impact on trajectory at 300 yards with a 200 yard zero.... If my zero changes, something else is probably going on. Oversll, I have taken more than a couple of dozen game animals and lost count of PD's and coyotes from 500-1200 yards with both versions of the G7 in MOA mode. It does work superbly! [/QUOTE]
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