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The 21st Tec TEC-GIII AR-10 Rifle – in .308 or 6.5 Creedmoor

Coming in hot for both enthusiasts and professionals alike, the TEC-GIII rifle from 21st Tec is compatible with DPMS pattern LR308/AR10 rifles. Chambered in .308/7.62 NATO or 6.5 Creedmoor, the TEC-GIII is specifically designed to feed from G3 magazines. However, it retains the familiar components of the AR-10 platform.

The 21st Tec TEC-GIII Rifle

Ensuring the durability of the AR-10 platform both the upper and lower receiver are constructed from Billet T6 aircraft-grade aluminum. Providing comfort and customization is a Mil-Spec buffer tube and 6-position adjustable CCS Carbine Stock. Likewise, the interface between man and machine is a THRIL RTG pistol grip and 15-inch M-LOK handguard. Running the entire length of the upper and handguard is a Picatinny rail for attaching optics and accessories.

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Within the handguard is a 16-inch barrel chambered in .308/7.62 NATO with a 1:10 twist or a 20-inch barrel chambered in 6.5 Creedmoor with a 1:8 twist. The barrel also features 5/8×24 muzzle threads for affixing a suppressor and ships with an attached birdcage flash hider. Correspondingly, an adjustable gas block caters to the use of a suppressor.

In addition, the bolt carrier group (BCG) is specifically designed for use with G3 metal magazines. Likewise, the rifle ships with three German made G3 magazines. The upper receiver also comes with a cam-pin wear plate to protect it from cam-pin wear.

Measuring 35 to 39 inches and weighing 8.5 pounds, the TEC-GIII is available in either black or FDE TYPE III Hard Coat Anodized finish.

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Availability

The 21st Tec TEC-GIII rifle is available for purchase now and will be ready for delivery on December 15th, 2023, with an MSRP of $1,499.00. For more info, please visit 21st-Tec.com.

PARTS compatibility list with DPMS pattern LR308/AR10 Rifles:

  • Firing Pin
  • Bolt Assembly
  • Cam Pin
  • Gas Key
  • Upper Receiver
  • Dust Cover
  • Forward Assist
  • Charging handle
  • High Rail/Handguard/Barrel Nut
  • Lower Parts Kit
  • Mil-Spec Carbine buffer tube assembly, buffer and recoil spring for .308
  • MSRP: $1,499.00

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