Moriarti AR-10 .308 18" SPR Rifle Kit w/ Luther Stock – DPMS Compatible

Product Code:MAR-308-KIT-18-LUTHER-SHARK
Availability:In Stock
  • $599.95

  • $899.95

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Build Kits

Moriarti AR-10 .308 18" SPR Rifle Kit w/ Luther Stock – DPMS Compatible

The Moriarti AR-10 .308 SPR Rifle Kit offers a complete upper and lower build package (excluding the lower receiver) for shooters looking to build a high-quality .308 rifle. This kit includes an 18" SOCOM profile barrel, precision billet DPMS-compatible upper receiver, 15" slim M-LOK free float handguard, and a Luther MBA fixed rifle stock. Perfect for long-range accuracy, the mid-length gas system and .750 gas block optimize performance and recoil management.

All parts are made in the USA and CA compliant. This is not an FFL item and ships unassembled.

Specifications:

  • Platform: AR-10 / .308

  • Compatibility: DPMS Low Profile

  • Barrel: 18″ .308 Win, SOCOM profile, 4150 CMV, Parkerized, Mid-Length Gas, 1:10 Twist

  • Muzzle Device: 308 Shark Muzzle Brake, 5/8x24 thread w/ crush washer

  • Handguard: 15″ Slim Profile Free Float M-LOK

  • Upper Receiver: DPMS Style Billet Upper, Hard Coat Anodized, MIL-8625 Type 3 Class 2, w/ Forward Assist and Ejection Port Cover

  • BCG: .308/7.62x51 Nitride Bolt Carrier Group, MPI Tested, Complete Assembly

  • Charging Handle: Included, standard latch, AR-10 aluminum

  • Lower Parts Kit: DPMS Style Mil-Spec .308 LPK

  • Buffer System: A2 308 Buffer Tube Assembly

  • Stock: Luth-AR MBA-1 Fixed Rifle Stock

  • Gas Block: .750 Low Profile

  • Gas System: Mid-Length

  • Includes: All upper and lower components except 80% lower receiver

  • Note: Free float rail design may vary based on availability. Ships unassembled.

Marc 11/02/2025

First off, Amazing cust service here. Very responsive and quick to resolve issues. That being said, I'm really happy with this kit. This is the first AR of any platform I built from ground up. I have a few others that were bought prebuilt, but I wanted to do it from scratch and also paint it as I built it so it felt more personal to me. I only had a couple issues with the wrong stock being shipped with the kit, and the bolt and firing pin locking up, but on both issues, support got me taken care of really fast. Now it runs like a top and is crazy accurate down range. The whole journey up to this point has been a blast. I'm not even mad about the issues I had as it just makes the memory of building it even better, and the cust support team are awesome people.

Jairo 04/07/2020

Over all fairly pleased with this order. Great value. Shoots every time.

Keven 03/06/2020

Made a few changes, added cerakote and trigger. Love this rifle shoots great!! Great folks to deal with. I am definitely going to order from again.

Fred 06/27/2019

I always wanted an AR-10 and Moriarti made it so I could afford it. I have friends that have paid $1,000 more for virtually the same gun. Thank you Moriarti!

Kirby 03/23/2019

First AR love it! no complaints - love it for my first build

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Tags: moriarti, ar-10, .308, 18", spr, rifle, kit, luther, stock, , dpms, compatible 18"

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