We want our customers to support their local dealers — and we’re always looking for new partners who share our commitment to quality.
Short Barrel Rifle (SBR)
Short Barrel Rifle (SBR)The Short Barrel Rifle (SBR) is designed for close-quarters combat, law enforcement, and tactical operations. Its compact size and maneuverability make it ideal for situations where rapid target acquisition and quick handling are essential. The SBR is also suitable for home defense and personal protection due to its ease of use and effectiveness in confined spaces. All NFA rules apply… for now.
Multi-Purpose Rifle (MPR)
The Multi-Purpose Rifle is designed to serve a wide range of applications, including hunting, target shooting, and tactical use. Its versatility allows it to be configured for various scenarios, from long-range precision shooting to close quarters engagement. The rifle is built to be reliable, durable, and adaptable, making it a valuable tool for both recreational and professional users
The Pipe Hitter MD10
The Pipe Hitter MD10 is Mitchell Defense’s large-frame rifle platform, built for shooters who need more reach, more energy, and the same accuracy, durability, and reliability standards found across every Mitchell Defense rifle. With premium components, precision barrel options, and chamberings like .308 Win, 6.5 Creedmoor, and 8.6 Blackout, the Pipe Hitter is made for customers who want serious performance from an AR-10 platform.
Choose Your Rifle Platform
The DOC Mitchell Defense rifles are for those who value accuracy, durability and reliability in their AR15 platform. The proprietary buffer system, enhanced BCG, and thermal fit barrel produces a weapon system that is extremely flat shooting with very little recoil, insanely accurate, and beyond the industry standard for reliability. An independent endurance test demonstrated their resilience, firing 17,554 rounds without cleaning or lube with no failures. Check it out for yourself.
The Rat Dog Mitchell Defense rifle was meticulously crafted to be the epitome of reliability and functionality. It was designed to excel in the most demanding conditions, ensuring you stay in the fight, no matter how dirty or tired. This PCC features a specially designed two-stage trigger that can withstand the increased stress exerted by a blowback gas system, providing unrivaled durability and consistent performance. The enhanced buffer system works harmoniously with the BCG to deliver an exceptionally reliable and enjoyable shooting experience.
The “PipeHitter” Line of Mitchell Defense rifles is our spin on the AR10 Platform. Built in the popular DPMS footprint and chambered in 308, 6.5 CM, and 8.6 BLK with a variety of barrel lengths. Reliability, durability and accuracy are still be backbone of these rifles. Utilizing the AR10 version of the proprietary buffer system, precision ground BCGs and precision barrels these rifle excel in what they are designed to do. No matter if you are a long range shooter or needing bear protecting in Alaska we have you covered. Check out all the options we have!
Mitchell Defense rifle product image media optimized for Mitchell Defense rifle pages, emphasizing accuracy, durability, and reliability.
The DOC rifles are for those who value accuracy, durability and reliability in their AR15 platform. The proprietary buffer system, enhanced BCG, and thermal fit barrel produces a weapon system that is extremely flat shooting with very little recoil, insanely accurate, and beyond the industry standard for reliability. An independent endurance test demonstrated their resilience, firing 17,554 rounds without cleaning or lube with no failures. Check it out for yourself.
Mitchell Defense rifle product image media optimized for Mitchell Defense rifle pages, emphasizing accuracy, durability, and reliability.
The Rat Dog rifle was meticulously crafted to be the epitome of reliability and functionality. It was designed to excel in the most demanding conditions, ensuring you stay in the fight, no matter how dirty or tired. This PCC features a specially designed two-stage trigger that can withstand the increased stress exerted by a blowback gas system, providing unrivaled durability and consistent performance. The enhanced buffer system works harmoniously with the BCG to deliver an exceptionally reliable and enjoyable shooting experience.
Mitchell Defense rifle on backcountry bear hunt media for Mitchell Defense blog, training, hunting, range, or product review content.
The “PipeHitter” Line of rifles is our spin on the AR10 Platform. Built in the popular DPMS footprint and chambered in 308, 6.5 CM, and 8.6 BLK with a variety of barrel lengths. Reliability, durability and accuracy are still be backbone of these rifles. Utilizing the AR10 version of the proprietary buffer system, precision ground BCGs and precision barrels these rifle excel in what they are designed to do. No matter if you are a long range shooter or needing bear protecting in Alaska we have you covered. Check out all the options we have!
Mitchell Defense rifle on backcountry bear hunt media for Mitchell Defense blog, training, hunting, range, or product review content.
Our rifles aren’t just built — they’re engineered to outlast and outperform.
Thermal Fit Barrels
We heat the billet upper to a precise temperature so the barrel extension thermally locks into the receiver as it cools. That interference fit turns the barrel and upper into a single rigid assembly, cutting barrel shift and improving harmonics. The result: bolt-rifle-level accuracy and a more consistent point of impact under sustained fire and after maintenance.
Frictionless Upper Receiver
Our 7075-T6 billet uppers are machined and precision-ground to ultra-tight tolerances, then matched to an ArmorLube-coated BCG. That combination dramatically reduces internal friction and carbon hang-ups, producing smoother bolt velocity, less wear on contact surfaces, and more consistent cycling — especially during high-round-count use.
Proprietary Flat-Wire Buffer Spring
Our cryo-treated flat-wire buffer spring and matched buffer increase forward pressure and resist fatigue far longer than conventional round wire. Tested well past industry norms, it eliminates the spring “twang,” evens out recoil impulse, and preserves consistent lockup and ejection over hundreds of thousands of cycles — a cornerstone of long-term reliability.
Dont Just Take Our Word For it
Video Review by Tactical Considerations
Ready for hard use: Tactical Considerations’ Mike puts the Mitchell Defense DOC Ambi-bolt release through its paces. Flawless range performance, veteran-grade build — watch the full review and see the build list.
Video Review by Range Day Bro Pipehitter
Range Day Bro put the Mitchell Defense MD10 Pipe Hitter (6.5 Creedmoor) on target: sub-MOA at 100 yds and a 4×4 plate at 450.
Video Review by Parellel Defense
Parallel Defense’s SM & Jay ran 1,000 rounds suppressed through the Mitchell Defense rifle — ambi controls, 7075 billet, thermal-fit barrel, and duty-grade parts. Watch the full review.
Daniel B.
Verified owner 6 months ago
Mitch G.
Verified ownerGreat company and Nathan is outstanding to work with.
11 months ago
Rachel S.
Verified owner 2 years ago
jeremy britto
Verified owner 2 years ago
Jay Arthur-Martorano
Verified owner As a listener of We Like Shooting i have heard over and over about how incredible the DOC MD-15 is. I am a husband, a father, and whatever else those titles demand, and my money... My money is hard won.
This is way more than a simple decision. This is a lifeline. This is a tool that is absolutely essential and/or critical to one's ability to survive the most desperate of situations.
I have always had a "healthy" sense of mistrust or doubt, but when I listened to Nathan Mitchell on the podcast, I heard a guy that spoke modestly about building a rifle that he could trust in the moments that count. The things he said just made sense, choosing redundancy and robustness over the fiscally minded industry standards. I recieved my 16' DOC a few days ago, and I am absolutely floored by the build quality. The fit and finish are just as impressive. Thank you Mitchell Defense for delivering this beautiful, heirloom quality rifle that a man with a family can afford.
2 years ago
Anonymous
Verified ownerIn addition to providing top tier quality for a very affordable price Mitchell Defense has outstanding customer service.
Thank you.
1 year ago
Mark W.
Verified ownerGreat service and high quality components, Mitchell is a classy act!
2 years ago
Robert
Verified ownerGreat company. Outstanding products. Superb Customer Service.
10 months ago
Jon Jensen
Verified ownerI recently bought a rifle from Mitchell Defense, and the quality is nothing short of exceptional. The fact that they make everything in-house really sets them apart—every component feels meticulously crafted and purpose-built. The fit and finish are flawless, and the rifle performs exactly as you’d expect from a top-tier manufacturer.
I’ve been shooting for over 20 years, and this is without question the best rifle I’ve ever shot. Accuracy, reliability, and overall feel are outstanding. It’s clear that Mitchell Defense puts a tremendous amount of pride and attention into their work. If you’re looking for a truly high-quality rifle built by people who care about what they produce, Mitchell Defense delivers.
8 months ago
Buddy Bonsell
Verified ownerThe DOC MD15 and Sand Cutter BCG's are awesome. The FDE finish is phenomenal. Got all the colors now! After the range, I'm sure I'll be driving tacks again, lime my DOC GWOT And the DOC SOIDC!!
1 year ago
Tyler W.
Verified ownerAmazing quality and well thought out design. You can tell they are making a true effort to improve the AR platform where it matters.
10 months ago
Ronald
Verified ownerGreat BCG!
2 years ago
Casey S.
Verified ownerI had an issue at checkout and Nathan helped me work it out. I received the BCG in a timely manner and am very pleased with my purchase.
2 years ago
Wesley
Verified ownerNathan (owner) went beyond the norm to make my build the way I wanted it.
2 years ago
Justin Y.
Verified ownerI was surprised to get an e-mail from the company owner, Nathan Mitchell. Dealing with Mitchell Defense was spectacular, as I changed things a few times.
9 months ago
Anonymous
Verified ownerMitchell Defense has superior products at a cost far below its competitors. The customer service parallels the quality of their products.
1 year ago
Oliver W.
Verified ownerAbsolutely outstanding service any questions just shoot an email over and Nathan responds quickly and personally, Top tier quality , this was my second shorty doc upper I’ve purchased, bought the 300 blk not one single issue with over 3000 rounds suppressed/unsuppressed she eats everything, enjoyed it so much had to come grab one in 556.Stacks up with you’re upper tier brands you won’t be disappointed these rifles are top notch quality they’re built to function and last.
2 years ago
HERE’S
OUR
STORY.
Mitchell Defense is a veteran owned and operated manufacturer in Glenside PA. We specialize in the AR platform. We make rifles in the AR10, AR15, AR9 platform and every rifle was designed to be accurate, reliable and durable. There is nothing standard about our rifles and almost every part of our rifles have been enhanced in some way for reliability and durability.
