Mitchell Defense rifle with A5 buffer system and DualCool handguard upgrade
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We want our customers to support their local dealers — and we’re always looking for new partners who share our commitment to quality.

Dealers

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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.

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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

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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

Mitchell Defense Rifle Product Image

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.

Mitchell Defense Rifle Product Image
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.
Mitchell Defense Rifle On Backcountry Bear Hunt

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
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
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
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 Promotional And Field
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.

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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.

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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.

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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.

Anonymous
AnonymousUS
Verified ownerVerified owner
5/5

Mitchell 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.
Oliver W.US
Verified ownerVerified owner
5/5

Absolutely 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
Bill Frady
Bill FradyUS
Verified ownerVerified owner
5/5

These rifles are as good as any on the market today.....if not better.

2 years ago
Jason P.
Jason P.US
Verified ownerVerified owner
5/5

From the products to the customer service everything is outstanding.

2 years ago
Dylan Dietrich
Dylan DietrichUS
Verified ownerVerified owner
5/5
2 years ago
Levi Marshall
Levi MarshallUS
Verified ownerVerified owner
5/5

Love working with this company.

5 months ago
Andrew S.
Andrew S.US
Verified ownerVerified owner
5/5

Great products, great company HIGHLY recommend.

1 year ago
Randy
RandyUS
Verified ownerVerified owner
5/5

Seemed to ship a little slow but not bad. Case is nice kinda wish you got two mags or one mag to match gun in color

2 years ago
Anonymous
AnonymousUS
Verified ownerVerified owner
5/5

Great customer service answered all my questions. Best ar I have.

2 years ago
Vincent H.
Vincent H.
Verified ownerVerified owner
4/5

Item was received in a short amount of time, but I did not receive a tracking email when the item shipped.

2 years ago
Bret Edlund
Bret EdlundUS
Reviewer
5/5

First purchase from MD - and of course it's not a rifle (yes, yes, I'm an idiot). However, the open box optics are truly legit. I finally afforded a big boy scope, and it's already making a difference. Super fast shipping, and can't wait to toss a MD pew in the safe soon. Big thanks, and keep up the great work!

5 months ago
Chris P.
Chris P.US
Verified ownerVerified owner
5/5

Mitchell Defense is my goto for everything AR related.

2 years ago
Robert
RobertUS
Verified ownerVerified owner
5/5

Great company. Outstanding products. Superb Customer Service.

10 months ago
Chad Aurentz
Chad AurentzUS
Verified ownerVerified owner
5/5

I know there are so many AR platforms out there so a positive review don’t carry much weight on the subject….. with that being said the fit and finish on this rifle is second to none. I love the mag release is shielded a bit and what a great trigger. This 8.6 blackout is gonna be the ultimate brush gun for Alaska and we have some scary critters in the brush! Great Job Nathen

1 year ago
Chris M.
Chris M.
Verified ownerVerified owner
5/5

Website easy to navigate and meeting you guys at Shot Show 2024 was the icing on the cake.

2 years ago
Chris Linville
Chris LinvilleUS
Verified ownerVerified owner
5/5

I highly recommend Mitchell Defense. The firearms are next level, both in fit/finish and functionality. It's the only AR platform I'd trust my life to.

2 years ago
Tim
TimUS
Verified ownerVerified owner
5/5
2 years ago

HERE’S
OUR
STORY.

Mitchell Defense Snake Icon Brand Mark

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.