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Below is the data from a 300 H&H Magnum.  We put a new barrel on the action, and I broke it in using Hoppes for removing the carbon and Sweets solvent for removing the copper.  We cleaned it again very thoroughly

A key mission critical component for Soldiers is the reliability and performance functionality of their firearms.  A dirty firearm full of carbon and other contaminants compounded by various environmental conditions such as excessive heat, cold, humidity, sand, etc. can distort the accuracy, performance and impede or stop the reliability of that firearm

I was 1-503rd IN 173rd Airborne out of Italy where I was a Fireteam Leader and Gun Team Leader. I extensively used the carbon destroyer and copper/lead destroyer on my M4 and my gun I was in control of (M240L), I used them on our M249s as well,

Raychel Shaw – East Texas Firearms Training / Shoot-Like-A-Girl Part 1) Hey Marcus, I just wanted to let you know I did in fact get some product in! I’ve gone through the cleaning process and let me just say WOW my gun was FUNKY…

After watching the online videos and speaking with Marcus of Modern Spartan Systems, we were anxious to try the products on our firearms. We cleaned our handguns in preparation for a night at the range with friends. We particularly wanted to focus on seeing the difference Modern Spartan Systems would make on our Ruger SR 1911 .45 caliber.

“Modern Spartan Systems Spartan Lube is an amazing product. It will tighten your groups and extend the life of your barrel and firearm. I’ve been using it for about 6 months on my precision rifles and it is amazing.”

Raymond Sanders – Hooks and Arrows Adventures When I first heard about Modern Spartan, I thought their claims were too good to be true. Reluctantly, I tried their cleaning system, and to be fair to them, I asked one of my

As Marines we like to talk about being the ‘Tip of the Spear’ in battle. I was skeptical, but after seeing ‘real time’ improved shooting accuracy, these products will literally make us sharper and more dangerous as that tip. I could not be

Mike Chappell President of Combat Shooters, LLC Regarding Modern Spartan Systems products I spoke to Marcus about a month and a half ago about his product Modern Spartan System. He was making some pretty big claims

I‘m Brian Davis, for the last five years, I’ve been using an experimental gun lubricant. This is long before, this revolutionary product was available to the public market place. This product is Modern Spartan Systems Spartan Accuracy

While doing the filming yesterday I took up a new, unfired gun, a 300 H&H Magnum that had never been treated. As a baseline I broke the barrel in as I used to do with the old products. I then shot a 5 shot group through the

I was more than impressed with the Modern Spartan System’s formulas. They make the claims of accuracy, reliability and performance. With five (5) treatments to the barrel of my MK12 Head Down Products rifle, I tightened my groups sizes

James E. - Competitive Shooter To whom it may concern, I received a small trial of your product at the zombies in the Heartland 3-gun match this year. Due to the fact I had a dead red dot sight on my rifle and was trying to

Josh Baker -Former Petty Officer 1st Class US Navy My name is Joshua Baker and I am a first class petty officer in the United States Navy. I have spent a majority of the last decade deployed overseas in support of the global war on

John A. Groff - Cpt, US Army (Retired) I am very impressed with your new Accuracy Oil. I started my career in the military as a E-1 nothing and retired after twenty years as an O-3E. I have used just about every type of lube on

Ian M. – SSGT USMC For anyone who has ever relied on a piece of steel to keep them alive in a bad spot I direct this at you, if you haven’t seen it Modern Spartan Systems is a company with intentions to keep your stuff

Marcus, I received my order a few weeks back and decided the pistol I was going to try these three products on was my older Series 70 Colt 1911. First thing I did was completely clean the pistol with the Modern Spartan Systems Carbon

Hi Marcus, To expand on why we like your products: We’ve tried everything from Duralube, Slick50, gun oils and greases over a period of 25 years – and pretty much all of them have “evaporated” when firing or created sludge/burnt oil

Jim Gruening - Trinidad State Junior College Dear Justin McConnell, I am an employee and gunsmithing student at Trinidad State Junior College. We’ve received a sample package of your products so I, along with other staff and

Rissa West – Weatherbyman We are unbiased and have tested many products in our Hyper Velocity weapons and no other products worked as well. We are honored to know you and we appreciate the FB Friendship. You may share and

Morning Marcus… Well, got some range time in this weekend and dumped about 1000 rounds of 5.56, 9mm, 45LC and 22LR… Everything functioned flawlessly as expected. Got reprimanded by range staff for some rapid fire but all in all, had a

Well, I’m writing because I had the chance to use your Modern Spartan Systems Accuracy Oil and Carbon Destroyer. I’ve had the chance to use it before with my Glock .380 ACP and my CZ 75B Kadet .22 LR, improvements were evident, but my

Thom Hawke – Military The Spartans In an operation where firearms are required only two things count—consistent accuracy and functionality! My group has tested and used these formulas for over 18 months in the most difficult

Marcus and Justin, Thanks for the time to talk today Marcus. David and I are looking forward to the future. I must tell you this… I stopped by my friend’s gun shop this afternoon and talked to him about your product. Specifically the

Let me start by saying that I am a retired 26 year Army Special Forces veteran, gunsmith and certified firearms instructor. This past summer (2014) I served as the gunsmith at the Philmont Scout Ranch in Cimarron, NM. My daily duties were