Preview: Luth-AR Modular Trigger Assembly

by
posted on May 9, 2021
** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. **
luthar-mta.jpg

Over the past decade, several companies have released quality trigger upgrades for the AR-15 platform and the less-than-desirable mil-spec trigger that many come with from the factory. Luth-AR has joined this trend with the release of its new Modular Trigger Assembly for the AR-15 platform.

The Modular Trigger Assembly (MTA) is a one-piece trigger pack that drops in to any standard AR lower receiver and attaches with standard trigger pins. The components of the MTA, including the hammer and trigger shoe, are contained within the billet trigger housing to make it easy to drop into the lower receiver. It is made of 6061 aluminum and has a hard-coat black anodized finish.

Internal components of the MTA are precision cut with a EDM process out of A2 tool steel. The parts are also heat treated to 40-45 HRC for increased durability and longevity. These components are also black nitride finished. The MTA is single stage, and the springs are tuned to a pull weight of 3.5 lbs. with a consistent feel, thanks to the use of SST bushings.  

Also found on the trigger housing are the screw points for two set screws at the back end. These set screws provide tension on the trigger pins, which could otherwise become loose and fall out, as can be the case with other drop-in trigger groups. The MTA is compatible with .22, .223 and .30 cal. AR platforms currently on the market. The Luth-AR MTA has a suggested retail price of $150. For more information on the Luth-AR Modular Trigger Assembly visit luth-ar.com.

Latest

World War I-era Berthier M16 carbine
World War I-era Berthier M16 carbine

Taking It Home: War Trophies in American History

From our founding to the more recent past, war-trophy firearms have played a significant role in arming American citizens.

Questions & Answers: Patterning with the Poly Choke

I bought a Remington 1100 LW 20-gauge shotgun for my wife to shoot clay targets (informally) and sometimes hunt with me when I go hunting for waterfowl.

Meprolight Offers Free Suppressor With Optic Purchase

Readers have only until July 31, 2026, to purchase a qualifying Meprolight optic and be eligible to receive a rebate for a free Backdraft Hunter suppressor in a caliber of their choosing.

Gun Locker: Wilson Combat eXperior Elite

Wilson Combat continues its fine tradition of making excellent guns even better with its new eXperior Elite design.

The Sako 90 Grizzly: Modernity Meets Tradition

Hunting remains a largely traditional activity, and some of us just like the feel of a nice wood stock. For those purists among us, Sako has introduced its new-for-2026 Grizzly.

The Armed Citizen® July 13, 2026

Read today's "The Armed Citizen" entry for real stories of law-abiding citizens, past and present, who used their firearms to save lives.

Interests



Get the best of American Rifleman delivered to your inbox.