The SAI Glock 19 Tier 1 is by far the most popular product Salient Arms International produces. There are many added benefits when choosing a Tier 1 package, such as weight reduction, increased rate of firing, and increased accuracy. These custom modifications have gone through rigorous Research and Development to maintain the highest level of reliability, while increasing the added benefits of a competition style firearm. Whether employed in a defensive, Competition, or Military/ LE capacity, the SAI Glock 19 Tier 1 provides the versatility to greatly increase the shooters tactical advantage.