It took 3 weeks to get the rifle because it was a custom build because I wanted a 7 1/4" long forearm. I picked it up from the gun shop that did the transfer last Thursday. I bought an extra magazine and a box of ammo while there.
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The JR and my 300 blackout are almost the same weight, the blackout a 1/4lb heavier. The JR has a slightly better finish than the AR-15s that I have. Saturday morning I took the JR to the stone quarry for a test fire. I had it setup with a "TrueGlo" red dot sight that I had on hand. Sighted in the JR at about 60 yards. It shot very well both with my reloads and the new shells purchased at the gun shop. Shot groups were very tight at around 2", I was happy with that. Never had a miss fire or miss feed with the JR after firing 150 rounds. It has a comfortable trigger pull.
Sunday I took the JR out to the sportsman club and set up at the 100 yard range. The JR did not perform well at the 100 yard range, didn't expect it to actually. Shots were all over the place so I would say the JR is not a 100 yard shooter. Fired 50 rounds but never had a missfeed. I did hit the bulls eye one time but the JR would not repeat that shot. The .223 shoots much better at 100 yards. My 9mm AR doesn't shoot well at 100 yards either but usually hits the paper. .
Next i'll put a scope on the JR and test the capability that way.
Close up of the upper and lower receiver. The hammer & trigger, safety latch, pistol grip, buffer & stock all the same as an AR-15. I should point out the JR Carbine is Left hand, right hand reversible. It can also be converted to different calibers if someone had the interest. Even the magazine receiver can be changed over.
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I machined my own muzzle brake weeks ago. The threads on the barrel muzzle is a .578 X 28. Without having the barrel in my shop I had to make an external .578 X 28 thread gage then cut the internal threads on my lathe until the thread gage fit. The muzzle brake fit the barrel threads perfectly. I blackened the muzzle brake myself.
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The Just Right Carbine in 45ACP accepts Glock G21 and G30 magazines. Took me considerable research to make that determination but I figured it out. Of course the new magazines are difficult to load beyond half full so I conjured up my own autoloader. Cabela's has an autoloader on sale for $20. I'll try to get there next week to buy one.
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I'll add more to my JR Carbine review. I have put 200 rounds through it. The company recommends cleaning the rifle at that point so I'll post pictures of taking the JR apart.
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