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Put my new to me Edgun R5 to the chronograph & thought I'd share the results. No particular reason... I'm a "data" nerd & figure there has to be at least one more out there who also has some interest in the R5/R5M 
How is the accuracy at distance with this gun? Great string by the way. I wrote you a long post, and it disappeared, so I will keep this one short. This is no ordinary .25 edgun, this looks to be one of the few that were made on the .30 cal platform but chambered in .25? right? DId this gun belong to Kdog? Anyway You have some great numbers there, especially if you knock off the first couple and the last 4 (might be going off reg?) I bet your std deviation would have even been less. That is an incredible gun by the numbers, but does it shoot? (accuracy?) To get 50 shots off a fill using .25 heavies, that is incredible. Hope you enjoy the gun! Keep us posted please. Are they calling this the R5 .25 MAGNUM? They should.
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Yes, this was the rifle that belonged to Kdog, it's my understanding that only a handful of the single shots in .25 made it to the States.
Not all of the groups were as good as these, but even the "bad" ones were ~.55 - .70". The last one is the tightest I've shot with an airgun (or rimfire).
I think some pellet sizing & weight sorting could make these the norm- finding the favorite head size & using a TR Robb sizer to get them all the same tightened things up nicely with a Huntsman Regal HR .22 (that ended up in the trade package for the R5).
Not sure if it's bone stock or not, Kdog may have tuned it for the heavies. The few groups I shot with 25 grain pellets all hovered around an inch. Didn't run those over the chronograph, but suspect they're coming out too hot at the current settings.
Pretty sure he did adjust the trigger, & apparently we have the same taste in triggers. Fairly long first stage (which I like), nice firm second stage wall that breaks just under 2 lbs.
Think what I like most is how it handles when shooting standing offhand/sitting/kneeling. Was a bit frustrated with my first bullpup in that regard, but this one shoulders & hangs on target like I'm used to with more traditional sporter setups, without the length.
Not all of the groups were as good as these, but even the "bad" ones were ~.55 - .70". The last one is the tightest I've shot with an airgun (or rimfire).
I think some pellet sizing & weight sorting could make these the norm- finding the favorite head size & using a TR Robb sizer to get them all the same tightened things up nicely with a Huntsman Regal HR .22 (that ended up in the trade package for the R5).
Not sure if it's bone stock or not, Kdog may have tuned it for the heavies. The few groups I shot with 25 grain pellets all hovered around an inch. Didn't run those over the chronograph, but suspect they're coming out too hot at the current settings.
Pretty sure he did adjust the trigger, & apparently we have the same taste in triggers. Fairly long first stage (which I like), nice firm second stage wall that breaks just under 2 lbs.
Think what I like most is how it handles when shooting standing offhand/sitting/kneeling. Was a bit frustrated with my first bullpup in that regard, but this one shoulders & hangs on target like I'm used to with more traditional sporter setups, without the length.
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Glad its working as expected for you Greg,,,,it certainly does shoot well and is a nice strong platform.I don't think the Huma reg is needed but perhaps it may crunch the numbers a little.Thanks for sharing the info and pics,,,Edguns are hard to beat for a bullpup in my opinion.
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Thanks for chiming in Kdog, I wasn't sure about the regulator. Given the shot string numbers & accuracy, I'm in no hurry to change anything about the rifle... maybe add a sling for hunting, that's it. Hope the Regal is treating you well. How do you like the scope?
Fungun, I think you may be right about falling of the reg, the last few shots sounded a bit different, even though the velocity drop was relatively small. The 53rd shot checked in at 850-something, so it was definitely time to air up.
Recall Ed posting something regarding the max fill of 300 BAR- I think the gist was that it's perfectly safe, but efficiency suffers above 240-250 BAR. The 2.63 BAR per shot figure above is for the entire string from 255 BAR-118 BAR... the first ~5 shots or so ate well over 3 BAR per while the last ~10 or so were well under 2 BAR per. Looking back, wish I would've tracked & graphed the air consumption. Maybe next time.
Fungun, I think you may be right about falling of the reg, the last few shots sounded a bit different, even though the velocity drop was relatively small. The 53rd shot checked in at 850-something, so it was definitely time to air up.
Recall Ed posting something regarding the max fill of 300 BAR- I think the gist was that it's perfectly safe, but efficiency suffers above 240-250 BAR. The 2.63 BAR per shot figure above is for the entire string from 255 BAR-118 BAR... the first ~5 shots or so ate well over 3 BAR per while the last ~10 or so were well under 2 BAR per. Looking back, wish I would've tracked & graphed the air consumption. Maybe next time.
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