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Product Overview

ADLRR .308 - ATAC Defense ADLRR (Atac Defense Long Range Rifle) Rifle - Was designed to give long range accuracy, and .308 firepower, in a light weight AR10 platform.

At ATAC Defense: quality, reliability, accuracy and fit/finish are our greatest concerns.

We believe in holding a quality level that exceeds expectations. All of our components are hand picked and tested by the marksmen that design our rifles.

Each ATAC Defense firearm is hand assembled with our inspected, tested and approved components.

After assembly, each firearm goes through a test fire session and is re-inspected. Each firearm must pass our final inspection before it can be shipped to the customer.

This product can only be shipped to a valid FFL holder.
When ordering, please enter your FFL's address into the shipping field. Include their contact email or phone number in the notes field so we can exchange FFL's.

ATAC Defense Lower Receiver:  Our lower receiver starts as 7075 T6 aluminum forging that is final machined to our exact tolerances. Our internal tolerances exceed the mil-spec tolerances for a lower receiver. After inspection, it moves through our in-house magwell broaching process to ensure proper dimensions, and a straight/true magwell. After broaching the lower goes through a vibratory tumbler that utilized ceramic media to deburr the lower. Our lowers are continuously inspected during each step in our process, after tumbling it goes through one more final inspection to insure our quality standards. After passing all inspections, each lower receiver is laser engraved with ambidextrous bullet markings, and ATAC Defense information.

ATAC Defense Upper Receiver:  Our upper receiver also starts as a 6061 T6 aluminum billet that is machined to exacting tolerances. It also has to pass inspection at every machining station that it goes through. It then is tumbled and deburred in a vibratory tumbler using ceramic media. After this point it goes through a final inspection to make sure that it meets the standards we require for our rifle builds. During the machining process we choose to leave the upper receiver lugs slightly over-sized. Utilizing the over-sized lugs, we hand fit each upper and lower receiver to insure a proper tight upper/lower fit without slack or rattle.

ATAC Defense Barrel:  Our 4150 CrMoV barrel starts life as a true gun barrel steel blank per *Mil-B-1159SE

*MIL-B-11595E, MILITARY SPECIFICATION: BAR, METAL AND BLANKS, STEEL (UNDER 2 INCHES IN DIAMETER) FOR BARRELS OF SMALL ARMS WEAPONS. This specification covers alloys steel, bars and blanks under 2 inches in diameter for use in the manufacture of barrels for small arms.

All ATAC Defense barrels are precision bored and button rifled using a 6-groove rifling at a 1:10 twist rate. Each chamber is cut to match the .308 caliber. After boring, rifling and chambering, the exterior of the barrel is cut to the M4 profile with a .750 gas block diameter, and a 5/8 x 24 muzzle thread. The gas port is properly sized to achieve the correct gas pressure for proper ejection.

After final machining, inspection, and testing the barrel is then coated and quenched to provide a durable lasting finish. At assembly an A2 flash hider is mated to the 5/8 x 24 threaded barrel

ATAC Defense Gas System:  We use a precision machined 4140 steel .750 diameter low profile gas block. The gas block is mated to a 304 stainless steel gas tube.

Receiver Extension:  7075 6-position receiver extension tube (buffer tube). We also use a mil-spec end plate and castle nut. During assembly the castle nut is torqued and staked. A MFT minimalist stock is then mated with the receiver extension.

ATAC Defense Hand Guard:  Our free float handguards are machined from 6061 aluminum. They are then tumbled and deburred.

ATAC Defense Trigger:  Tuned 3.5lb, single stage drop in trigger (curved or straight). This trigger has no take up, breaks clean and has a short reset. 

Magazine Release:  Our magazine release features an oversized button.

Safety: We utilize a 90 degree, ambidextrous safety made from 4140. It has switchable levers (short and long) so you can choose your desired shooting hand. 

Charging Handle: Our ambidextrous oversized charging handle is machined from 6061 T6 aluminum. We chose this handle specifically to make charging the firearm faster and easier, even with optics.

Stock and Grip: Each ADLRR includes the MFT minimalist stock and engage grip. We chose this combo based on fit, finish, weight, reliability, and rifle control. 


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