Glock pistols with these upgrades are informally generally known as (early) "3rd-technology" products. Afterwards 3rd-technology types Furthermore highlighted a modified extractor that serves like a loaded chamber indicator, plus the locking block was enlarged, combined with the addition of an additional cross pin to aid the distribution of bolt https://thebookmarkfree.com/story18457544/5-simple-techniques-for-glock-nation