Lightweight SOLUS Precision Build

Published on March 16, 2026
Duration: 49:41

This video provides a detailed, step-by-step guide to building a lightweight precision bolt-action rifle, focusing on the Aero Precision Solus LT action and MDT Hunt 26 chassis. It covers critical assembly procedures such as barrel installation, trigger mounting, headspace checks, scope mounting, and chassis bedding, emphasizing proper torque values and techniques for optimal performance and safety. The build highlights the use of high-quality components for a custom, lightweight precision rifle.

Quick Summary

This guide details building a lightweight precision bolt-action rifle using an Aero Precision Solus LT action and MDT Hunt 26 chassis. Key steps include barrel installation torqued to 75 ft-lbs, headspace verification with gauges, and chassis bedding to ensure recoil lug contact. Proper scope mounting and leveling are also covered.

Chapters

  1. 00:00:08Introduction & Chassis Overview
  2. 00:01:20Aero Precision Solus LT Action vs Standard
  3. 00:02:44Trigger Selection: TriggerTech Diamond vs Special
  4. 00:04:08Optic Selection: Leupold Mark V HD
  5. 00:06:12Action & Trigger Installation
  6. 00:10:50Barrel Installation into Action
  7. 00:16:07Headspace Check
  8. 00:19:46Action Installation into Chassis
  9. 00:27:02Muzzle Device Installation
  10. 00:29:15Scope Mounting: Leveling and Ring Installation
  11. 00:44:16Bolt Installation & Function Check
  12. 00:45:08Magazine and Bipod Installation
  13. 00:48:38Final Build Overview & Wrap-up

Frequently Asked Questions

What are the key components used in building this lightweight precision bolt-action rifle?

The build features an Aero Precision Solus LT action, an MDT Hunt 26 chassis, a Proof Research 6.5 Creedmoor barrel, a Leupold Mark V HD optic, and a TriggerTech Special trigger. Accessories include an Area 419 muzzle brake and MDT CKY Pod Gen 2 bipod.

How is the Aero Precision Solus LT action made lighter than the standard Solus?

The Solus LT action achieves its lighter weight by strategically cutting out unnecessary material. This includes reducing the length of the top 1913 rail and recontouring the sides of the action body.

What is the recommended torque value for installing the barrel into the Aero Precision Solus action?

Aero Precision recommends a torque of 75 to 80 foot-pounds for installing the barrel into the Solus action. The builder in the video opted for the lower end of this range, at 75 ft-lbs.

How do you ensure proper headspace when building a bolt-action rifle?

Proper headspace is checked after barrel installation using 'go' and 'no-go' gauges specific to the cartridge caliber. The bolt should close fully on the 'go' gauge but not on the 'no-go' gauge.

What is the correct torque specification for the MDT Hunt 26 chassis action screws?

MDT specifies a torque of 60 to 65 inch-pounds for the action screws on the Hunt 26 chassis. The builder set their torque wrench to 60 inch-lbs for this build.

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