The AR-15 Bolt Carrier Group (BCG) is the heart of your rifle, playing a crucial role in its overall function and reliability. Whether you’re building your first AR-15 or looking to upgrade your current setup, understanding the ins and outs of the BCG is essential. This blog will dive into the key features, variations, and reasons why a high-quality BCG is a must-have for any A …
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The Glock 48 is Glock's slim-line 9mm compact — a full-length slide on the narrower Slimline frame. The upgrade market is smaller than the G19's, but there are solid options. Here is what fits the G48 platform, what optic cuts work, and what to verify before you order. G48 Platform Basics The G48 runs a 4.17" barrel on Glock's Slimline frame — narrower than a G19, same length. …
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Zaffiri Precision makes CNC-machined Glock slides under the ZPS label — RMR-ready, heavily serrated, with tight machining tolerances. If you are researching a Zaffiri build or trying to understand the ZPS lineup, here is what the model differences actually mean and what frames they work with. ZPS.2 vs. ZPS.3: What Actually Differs Both the ZPS.2 and ZPS.3 are stripped G19 Gen …
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