Tech Tip: How To Convert an AR-308 Rifle to 6.5 Creedmoor

This video is part two of the "Build Box: Modern Hunter" competition. Three builders, Mark Roth, Travis Gibson, and Jake Welch, are challenged to construct an AR-10 rifle chambered in either .308 Winchester or 6.5 Creedmoor. The rifles are evaluated on aesthetics, originality, suitability for hunting, and performance. The judging panel includes Kevin "KJ" Jarnagin, Chris Cerino, and Todd Bonura, with Ryan Gresham hosting. The show highlights custom gun building with support from various firearm industry brands.

This guide details the expert-level assembly of a custom bolt-action rifle, featuring components from Kelbly's, MDT, and SilencerCo. The process covers barrel and receiver assembly, trigger installation, chassis mounting, optics setup, and suppressor attachment, culminating in live-fire testing. Instruction is provided by Vietac, demonstrating high authority and expertise in precision rifle building.

This guide details the process of upgrading a Springfield M1A in 6.5 Creedmoor with a Sage International EBR Chassis. The video, presented by Vietac, demonstrates a comprehensive chassis swap, including disassembly of the M1A, preparation of the EBR chassis, installation of specialized components like the op rod guide, and final assembly. It also covers mounting optics and accessories, culminating in range testing of the upgraded rifle. The instruction emphasizes precision and the use of specialized tools for a successful build.

This video introduces the Brownells AR Lower Receiver Vise Block, a tool designed to simplify AR-15 and AR-308 lower receiver assembly and maintenance. The block features articulated wing pieces that pivot and flex, providing a secure grip when clamped in a vise. It locks into the magazine catch slot, offering a stable platform for operations like buffer tube installation.

This video spotlights the Midwest Industries AR-15 Professional Armorer's Wrench, highlighting its specialized features designed for AR builders and owners. Key features include a versatile barrel nut wrench, receiver extension wrench, a redesigned flash hider/muzzle device wrench, a castle nut wrench that doubles for MI barrel nuts, and two 1/2" torque wrench drive sockets. The wrench also incorporates a hammer and a "tactical" bottle opener. Notably, torque values for essential components are forged directly into the tool, emphasizing its robust, steel construction made in the USA. The video positions this as a high-quality, durable tool for AR-15 and AR-308 platforms.

This guide details the process of changing calibers using the LMT MRP Quick Change Barrel System, as demonstrated by a manufacturer representative. The system allows for rapid barrel and caliber swaps, enabling users to transition between calibers like 7.62 and 6.5 Creedmoor in approximately 60 seconds. The 14.5-inch barrel offers a balance of ballistic performance, comparable to an M110, within the compact footprint of an M4 platform.

This guide details the installation of a Geissele MK8 Super Modular Rail on an AR-15 platform. It covers securing the upper receiver, installing the barrel nut, gas system, and the rail itself, emphasizing the use of specialized tools and proper torque specifications. The process requires an intermediate skill level and careful attention to detail for a secure and functional build.

This guide, based on expert instruction from Brownells, details essential practices for proper ammunition storage. It emphasizes using airtight containers, managing humidity with desiccants, and maintaining stable temperatures to ensure ammunition reliability and safety. Proper storage is crucial for preventing corrosion and propellant degradation, especially for sensitive components like primers.

This guide details the process of upgrading an AR-15 from standard A2 furniture to Magpul components. It covers the removal of the A2 pistol grip and installation of the Magpul MIAD Grip and Magpul PRS Stock. The video demonstrates efficient assembly using specialized tools, highlighting the ergonomic benefits and adjustability of the Magpul parts. Instruction is provided by Brownells, a recognized industry authority.

This entry details the creation of a movie prop suppressor for a Remington 11-87 used in 'No Country for Old Men.' Prop master Larry Zanoff explains how the suppressor was designed to look homemade and was non-functional, with sound effects added in post-production. The process highlights the creative problem-solving involved in film armory.