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CMT 308 AR STRIPPED BILLET UPPER & LOWER RECEIVER SET

by Donald Sullivan | Jul 24, 2015 | AR 308 Receivers | 0 comments

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AR 308 Receivers

CMT 308 AR STRIPPED BILLET UPPER & LOWER RECEIVER SET

Machined from 7075 T6 aluminum, the CMT 308 AR STRIPPED BILLET UPPER LOWER RECEIVER SET is ideal for starting an AR-style .308 rifle build. Receiver set uses standard DPMS type .308 lower parts, bolt carrier group, charging handle, and dust cover. Upper receiver is compatible with DPMS high profile style .308 handguards. Bolt catch assembly uses a hex head screw instead of a roll pin for easier installation. Upper tension screw is built into the lower so tightening the upper to lower is quick and easy. Ultra flared magwell on lower is wire EDM cut to accept P-Mags. Receiver set includes take down pin detent spring retention screw and a Mil-Spec hardcoat anodized finish. Does not come with forward assist. Visit Cross Machine Tool

UHP-10 LOWER CNC MACHINED FROM 7075 T6 BILLET
UPUR-10 UPPER PRECISION MACHINED FROM 7075 T6 BILLET-DPMS HIGH PROFILE
TYPE III CLASS II ANODIZED
WIRE EDM MAG-WELL PROFILE IN LOWER- ACCEPTS PMAGS
.154 DIAMETER TRIGGER & HAMMER PIN HOLES IN LOWER
UPPER TENSIONING SCREW IN LOWER
INTEGRALLY MACHINED TRIGGER GUARD
ULTRA FLARED MAGWELL ON LOWER
BOLT CATCH ASSEMBLY SCREW (No Roll Pin to install)
USES STANDARD DPMS TYPE .308 LOWER PARTS KITS / BCG/ DUSTCOVER
UPPER RECEIVER IS COMPATIBLE WITH DPMS HIGH PROFILE 308 HANDGUARDS
LIFETIME WARRANTY AGAINST MANUFACTURE DEFECTS

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CMT 308 AR STRIPPED BILLET UPPER LOWER RECEIVER SET ASSEMBLY NOTES

CMT 308 AR STRIPPED BILLET UPPER LOWER RECEIVER SET

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JMT 308 AR Lower Receiver

by Donald Sullivan | Jul 22, 2015 | AR 308 Receivers | 0 comments

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James Madison Tactical JMT 308AR Lower Receiver 80%

James Madison Tactical JMT 308 AR 80% Lower Receiver

This is the all new James Madison Tactical .308 80% lower receiver. JMT is constantly evolving with products to deliver the ultimate lowers in the industry. JMT has now engineered the best polymer/composite .308 on the market today unparallel by any other with the same refined cosmetics that you find in our AR-15 composite / polymer lower. We invite you to take a look and compare the new JMT .308 to the competition. After doing so, we are completely confident you will choose JMT.

Key enhancements include:

Extended upper fire control box sections.
Upper left magazine well box section.
Webbed magazine wells L & R side (matched for MagPul) magazines.
Extended bolt release roll pin posts.
New JMT Gen2 logo markings.
DPMS Compliant

The polymer 80% lower receiver for your .308 platform is engineered and manufactured by James Madison Tactical (JMT) in the USA. This is not your average polymer 80 lower, in fact, The JMT 308 AR 80% lower is fully engineered using current finite element structural analysis for reliable, long-term high performance.

JMT 308 AR POLYMER 80 versus ALUMINUM

After much research in polymer .308 lowers, JMT created its own formula of hybrid polymers and fibers with additional reinforcements in high stress areas to bring you the best .308 lower on the market today. All of the JMT polymer 80 lowers are engineered to Mil Spec tolerances and because it is fashioned from extremely durable fiber polymer materials there are no concerns about corrosion as you may find in aluminum .308 lowers.

IN FIELD DURABILITY

JMT uses only the best high quality hybrid polymer/composite materials, advanced engineering, precision manufacturing and stringent quality controls. This way you can trust it not only in the harshest field environments but for personal protection as well.

JMT 308 AR PARTS INTERCHANGEABILITY

The Polymer 80 .308 80% lower is designed specifically to Mil Spec tolerances for a high level of interchangeability with other Mil Spec .308 parts and accessories on the market today. This is achieved through current technology and computer aided manufacturing processes combined with exacting quality control procedures.

PERSONAL DEFENSE AND PROTECTION

How you decide to defend and protect yourself and your family is a personal matter. No one wishes to experience a personal breach of your safety or a home invasion but it does happen. The mission at JMT is to give you the assurance in a product you can trust.

The operations left to be completed to complete your JMT .308 80% lower are as follows: fire control group, trigger pin, hammer pin, trigger slot and the safety selector hole. This is a not an FFL item. This is not a complete receiver and still requires machining to be done.

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MEGA ARMS MATEN RECEIVER SET | 308 AR

by Donald Sullivan | Jul 11, 2015 | AR 308 Receivers | 0 comments

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To date the MATEN is my absolute favorite 308 AR Lower/Upper. Fit finish and style that are unsurpassed. The MEGA ARMS MATEN billet receiver set will accept ALL DPMS & Knight Armament parts. All Armalite parts with the exception of the barrel nut, and magazine. Build your ultimate hunting, tactical or target rifle without having to compromise. The MEGA ARMS MATEN will be sold only in sets (upper and lower) including a charging handle, threaded bolt catch pin, take down pins, tensioning screw, and door. This was done to guarantee the best possible upper to lower fit and finish. Using the MEGA ARMS MATEN platform also allows you the most options on your next build.

MEGA ARMS MATEN AMBI 308 RECEIVER SET

MEGA ARMS MATEN AMBI 308 RECEIVER SET

FEATURES
• The Mega Arms MATEN upper and lower receivers accept the widest variety of .308 components on the market.
• Included in this new platform: upper receiver, lower receiver, billet charging handle, threaded bolt catch pin, take down pins, dust cover door & upper receiver tensioning screw.
• Our billet upper & lower have been designed to be the most versatile and compatible platform available. A truly unique look and flawless function is what you should expect.
• We know you will rely on your new weapon like a tool, and that’s what you will get when using the Mega Arms MATEN. Strong & light weight, you can build your next rifle with the best of both worlds.
• Comes standard with laser engraved “T” numbers.
• Priced lower than most competitor’s forged sets.
• Integrated trigger guard for added functionality, and strength.
• Billet charging handle features an anti-slip surface for improved grip.

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338 Federal 308 AR Stripped Lower Receiver

by Donald Sullivan | May 18, 2015 | AR 308 Receivers | 0 comments

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338 Federal 308 AR Stripped Lower Receiver

I just saw this at Brownells. A .338 Federal Marked Stripped Lower for $109. This can be used for a 308AR and is a great price.

338 Federal 308AR Stripped Lower Receiver – Rugged, fully machined 338 lower is ready to be the foundation of a hard-hitting long-range tactical, competition, or hunting rifle built to meet your exact specifications. Precision milled from a solid billet of high-grade 7029 T6 aluminum, with extra metal in the right places to handle thousands of rounds of full-power ammo without flexing or stress-cracking. Mil-spec hardcoat anodized for extra surface strength and corrosion resistance. Beveled mag well aids in fast reloads, and the integral, straight triggerguard milled from the billet with the rest of the receiver provides clearance for a gloved trigger finger while adding to the structural strength of the receiver.

Accepts standard 308-AR upper receivers & components.

.338 Federal 308 AR Stripped Lower

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JD Machine Tech | Out of Business

by Donald Sullivan | May 15, 2015 | AR 308 Receivers | 0 comments

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JD Machine Tech 308 AR

JD Machine Tech 308 AR/AR-10

Welcome from Jesse Denome and the JD Machine Tech family. We have been in business since 1996 manufacturing for the military, defense contractors, firearms, engineering firms, and various other industries.

In recent years, we have manufactured firearms and firearm components for many industry leaders on a production level. JD Machine Tech is fully licensed to manufacture firearms and component parts in the State of California. With the introduction of the JD Machine line of 5.56mm and 7.62mm semi-automatic rifles into the firearm community, we know that our knowledgeable customers will be able to recognize the quality product that we produce. We typically allow our product to speak for itself, but offer the following background information as well.

Old world craftsmanship and real world experience, coupled with the ability to create innovative products gives JD Machine Tech a unique insight on the industry as a whole, with special attention to the individual needs of the consumer. All JD Machine Tech products are proudly manufactured in our facility right here in San Diego, and are backed by a lifetime guarantee. If it ever breaks, we will repair or replace it, free of charge.

Our staff at JD Machine Tech includes masters in design, programming and machining. We have a former Navy SEAL Team Armorer on staff, and maintain constant contact with technical experts throughout the Military / Law Enforcement community and the firearms industry.

JD Machine Tech takes pride in offering special discounts to Military & Law Enforcement personnel in recognition of and gratitude to their service, dedication and sacrifice.

WE ARE GREEN – Here at JD Machine Tech, we are committed to the preservation of the environment. From non-toxic coolant and fluids in the machines to the recycling of scrap material, we strive to make the world a better place for future generations.

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JD Machine Tech AR 308 Pictures

Pictures courtesy of DNP at 308 AR forum. Click the pictures to view them full size

JD Machine Tech 308 AR Receiver Set

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POF 308AR Stripped Lower Receiver

by Donald Sullivan | May 14, 2015 | AR 308 Receivers | 0 comments

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POF 308 AR Stripped Lower Receiver

POF 308 AR Stripped Lower Receiver, semi-auto lower receiver is fully machined from U.S.-sourced 7075 T6 aluminum billet for superb strength and precise dimensions. Extra metal in the right places gives a big payoff in added support and rigidity with minimal extra weight. Available in AR-15 and AR-style .308 sizes, both models accept mil-spec and aftermarket components, so you can select the upper, trigger group, pistol grip, receiver extension, and buttstock that best serve your needs—the perfect foundation for a custom tactical rifle.

Integral, oversized trigger guard machined as part of the receiver further enhances structural rigidity and provides plenty of clearance for trigger finger when wearing gloves. Radiused inside and outside edges protect finger from cuts and scrapes when mounting weapon quickly or during extended fire. Flared magwell with smoothly radiused inside corners helps ensure fast reloads, without fumbling, when seconds count. Cut for ambidextrous bolt release to allow strong- or weak-hand operation; right-side button included with receiver. Laser etched, international “fire” and “safe” symbols give the operator instant, intuitive feedback on the weapon’s safety status in high-stress situations. Mil-spec hardcoat anodized for additional surface strength and corrosion resistance. P-415 is available with a durable, low-friction black Teflon® finish or a tough, gray NP3 electroless nickel/Teflon outer coating that’s highly resistant to surface wear. NP3 is exceptionally thin, hard (Rc 48-51), and self-lubricating, so it prolongs weapon life by minimizing wear fouling buildup. P-308 is available with NP3 finish only. All heat-treatment, plating, coatings applied by U.S.-owned and operated contractors. Click here for purchasing info.

Note: A POF lower does not perfectly mate with a DPMS 308AR pattern gun. The pins are a different size and the upper itself might need some minor machining