Contact Us
At Armscor, we are dedicated to providing our loyal customers with the best customer care for all Armscor USA ammunition and Rock Island Armory firearms. If you have issues, don't worry! Our products come with a lifetime warranty. Please utilize the resources in the support section online and if you cannot find the information you need, please contact us directly:
Email: Support@armscor.com
Chat Function below also available

// 1911 Pistols
Beyond the Basics of Handgun Ammo | Advanced Rounds
So you think you know almost all there is to know about handgun ammunition? Find a deeper, more complex world of ammunition waiting. At your level, it’s no longer about just choosing a caliber — it’s about understanding the history, construction and nuance behind every round. It all starts with deciding to not stick with what you know and get out of your comfort zone.
Team Armscor’s John McClain unpacks the quirks of various caliber options, explores niche options and shares what he’s learned after thousands of rounds at the range.

// 1911 Pistols
Armscor STK200 vs. Glock 19: Honest Comparison and Insights
Whether you’re a lifelong 1911 fan craving something modern or a GLOCK enthusiast curious about a new feel, the STK200 offers a striking blend with a classic 1911 grip that meets GLOCK 19 versatility.
“The STK200 was designed as a striker-fired pistol that 1911 fans could fall in love with, but there are a lot of features that the STK200 includes that GLOCK fans could appreciate,” explained John McClain from Armscor.
The STK200 isn't trying to convert GLOCK shooters completely. Rather, Armscor's STK line of firearms is meant to combine the best parts of striker-fired handguns and 1911-style pistols into one strong, hybrid firearm.
So let's get into the key differences between the STK200 and the GLOCK 19.

// 1911 Pistols
Handgun Ammo Guide: 9mm, 10mm, .45 & More
Once you’ve grasped how caliber works and what makes bullets behave the way they do, it’s time to get familiar with the ammo choices you’re most likely to encounter in stores — and on the range.
It’s time to break down the advantages and disadvantages of today’s most common handgun calibers with Armscor’s expert, John McClain, and get some advice from him.