Blog
September 7. 2026
How Ammunition Choice Affects Super Safety Function
When builders ask about ammunition choice and super safety, the real connection is cycling consistency. The cartridge does not change…
September 5. 2026
What Makes the Schmid Match Trigger Different
Hear “match trigger” and it is easy to picture a light two-stage setup with a pronounced wall before the break.…
September 1. 2026
What the Lever Blocker Does That a Standard Safety Can’t
Most AR-15 builders are familiar with what a safety selector does, so a lever blocker can initially look redundant. Both…
August 28. 2026
Who Is the RAS Selector For
Most AR-15 upgrades improve something every build needs. The RAS selector is different. Before choosing firearm super safety components for…
August 26. 2026
What Does the RAS Selector Do
Most AR-15 builders know their selector has two positions: safe and fire. The RAS selector has three, and the third…
August 24. 2026
The History of the MP5K
The MP5K is often described as a compact version of the MP5, but that framing undersells what HK actually set…
August 20. 2026
MP5K Host Compatibility
Builders who choose an MP5K host based on price and availability rather than documented compatibility patterns discover the fitting requirements…
August 19. 2026
MP5K vs Full-Size MP5 — Mechanical Differences
The MP5K looks like a compact version of the full-size MP5 and shares most of its external design language. The…
August 18. 2026
Common AR-9 Build Mistakes
Most AR-9 build mistakes don't happen because builders are careless. They happen because the platform looks familiar enough that the…