Not great, but not bad at 20yds for what was a smoothbore, scope down six clicks, six shots
Self Rifled Gamo Express 22
- Thread starter dark1961
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Not great, but not bad at 20yds for what was a smoothbore, scope down six clicks, six shots
. did you use something like this ? i think we call it a buttoner or button. https://www.wish.com/feed/tabbed_feed_latest/product/58d63ea000075f628a2d98bc?from_ad=goog_kw_search&campaign_id=1709509837&hide_login_modal=true&source=tabbed_feed_latest
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Rifling Buttons Super Hard Alloy Material Special Reamer Make a Rifled Barrel | eBay
Got them from here
Rifling Buttons Spiral Reamer Tungsten Alloy Novice Use Prevent Break Style A | eBay
or here, can't remember which one.
Got them from here
Rifling Buttons Spiral Reamer Tungsten Alloy Novice Use Prevent Break Style A | eBay
or here, can't remember which one.
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Be really careful to order the right size, unless you have a workshop/press you will not be able to push/hammer the rifling button through the barrel. For instance on a 22 cal, I ordered 5.45 mm size.
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latest group with scope light in the dark. Sorry I had loaded a previous version twice. here is the better grouping. rifling does appear to reduce the velocity from 600 to 500 fps.
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....those shoot pretty well with the brass smooth bore , too. and the rat shot is cool to have around for close up squirrels - ones that think the coner of the house is theirs now that they chewed into it. some of those guys really talk back to ya. .22 gamo express is very light, and easy to tune for smoothness. my boss has one. got some extra shells when they were pushing that ammo. special airgun. like my .25 gamo big cat - great gun shoots around 620 fps with 20 grains. has the breech seal like a bsa gun, so i'm assuming these are bsa .25 cal barrels. larger dia tube than a 440, lightweight and eay to cock and shoot. just needed trigger work. wonder where my .25 gamo big cat is - got it on clearance for $99. https://www.youtube.com/watch?v=wkw33VE2D1M - paul.
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