Tell us more. How many rounds you have through yours and other important observations. You have my interest.
In the 2 years I've had it at least 800 rounds though it mostly reloads
And I loaned It my sister she really liked it
She put a couple hundred through it
but it does take some strength to rack the slide it's a flat recoil spring like the original glocks.
I got her a taurus g2c instead it's easier to rack she handles it fine.
no reliability issues on the arex at all and one of the most accurate striker fired pistols I've shot.
I'm like a budget pistol collector I have several taurus,gforce,tisas I've bought sub 250.00
I like the arex the best it has a very similar trigger to the taurus gx4
It's glock 19 sized but slimmer and more comfortable ergos
I have a glock 19 and 23 but prefer the arex I just shoot it far better for me.
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I bought a second one and just ordered a delta x
large frame it takes 19rnd mags
I keep this in my work shop the cat sleeps on it

Arex is big overseas too much polymer competition here
Rost martin rmc1 and rms1 in texas is built on arex designs and patents.