Author: Redacted Arms Dev Admin
October 5. 2026
Cold Bore vs Hot Bore: Why POI Shift Isn’t Always the Barrel
Your first group lands right where you zeroed. Twenty rounds later, the next group sits low and left, and the…
October 2. 2026
Optic Mount Repeatability: What Actually Determines Whether Zero Returns
Every quick-detach optic mount claims to return to zero. Most don't explain what that claim actually measures. Fewer explain why…
September 30. 2026
Why Mil-Spec Parts Vary Between Manufacturers
Two components can both be sold as “mil-spec,” fit the same AR platform, and still differ in their finish, machining,…
September 25. 2026
How 9mm Became the Dominant Defensive Caliber
For a cartridge developed more than a century ago, 9mm has shown a remarkable ability to outlast whatever was supposed…
September 21. 2026
What Is the SP5 and How Does It Differ From the MP5?
Few firearms have a profile as instantly recognizable as the MP5. So when Heckler & Koch released the SP5 with…
September 19. 2026
The AK-74M Platform: How It Evolved After the Cold War
The AK-74M occupies an unusual place in Kalashnikov history. It was developed at the end of the Soviet era, entered…
September 16. 2026
What Makes the AR-10 Different From the AR-15
The AR-10 vs AR-15 comparison is often reduced to caliber: the AR-10 fires .308-class ammunition while the AR-15 is associated…
September 13. 2026
How the Glock Changed Pistol Design Forever
The history of Glock is often told as the story of an Austrian manufacturer with little firearms-design experience suddenly beating…
September 11. 2026
How to Practice Trigger Control Without Going to the Range
Live ammunition is not needed every time you want to improve what your trigger finger is doing. A large part…
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…