Not really. I bought a GBLS from them, L119A2 build. Took longer than expected to be delivered, not a biggie. But the workmaship was a bit rough tbh, especially with the CTR stock mods. The default spring and the chamber flag were missing, didn't really bother me. But when I removed handguard to replace the hop some months later, the barrel nut was gouged and damaged, it looked like the wrong tool had been used. To be clear this did not affect the performance, function or look of the gun as it is hidden, but still I though this does not look like the work of people who are conscientious or fully competent. The gun has been great, the deal was not bad. But not sure I would look their way again tbh.