Top 5 Upgrades For Your AR-15

Intro and Upgrade Criteria

The hosts return to a previous topic and outline their goal: identify the five most important upgrades for an AR-15, in order of priority. Each will build a separate list without seeing the other’s choices, focusing on practical experience and training rather than argument. They emphasize that many AR owners start with a basic rifle, feel content for a while, and then look to improve it step by step. The discussion is framed around what gets added first to a new rifle, then second, third, and so on. They reference a Smith & Wesson M&P15 Sport III as an example of a modern AR-15 that often ships without sights, anticipating that users will add their own upgrades.

Optics and Aiming Solutions

Both hosts agree that the first upgrade for an AR-15 should be an aiming solution. Many budget rifles, such as the Smith & Wesson M&P15 Sport III, arrive without iron sights or optics, so adding a red dot, LPVO, or other optical system is considered essential. They stress that every shot is accountable, so the shooter must be able to clearly see and precisely aim. One host prefers a red dot on barrels under about 12.5 inches, sometimes with a magnifier, and moves to an LPVO or similar optic on longer barrels. They note that even basic iron sights are better than nothing, but a quality red dot or low-power variable optic is their primary recommendation.

Lights vs. Slings for Priority Two

For the second upgrade, one host prioritizes a weapon light, arguing that it is impossible to responsibly engage what cannot be seen, especially in low light. He highlights the importance of positive identification and mentions Modlite as an example of a company pushing high-lumen lights that can still integrate with the SureFire tailcap ecosystem by swapping heads and bodies. The other host places a sling at the same level of importance as a light and personally ranks the sling second. He views the sling as the rifle’s equivalent of a handgun holster, critical for retaining the rifle during movement, running, climbing over obstacles, or going hands-on. They mention options like Blue Force Gear, the Ferro Concepts Slingster, and Magpul MS1, and caution that not all QD sling attachments are equally reliable.

Light and Laser Combos with IR

Moving to the third upgrade, one host chooses a combined light and laser unit with infrared capability. He wants a setup that provides visible white light, a visible laser, and IR illumination or IR laser for use with night vision. He references a specific laser and light unit with a pressure pad, along with a Unity Modlite-style button he plans to add for better activation. The goal is to have a single device that can handle both standard low-light use and night vision applications. He notes that this configuration allows switching between visible light and laser modes, as well as IR modes, giving more flexibility without stacking multiple separate devices on the rifle.

Muzzle Devices, Suppressors, and Home Defense

The other host’s third priority is the muzzle device, with an eye toward eventually adding a suppressor. He discusses the difference between brakes and flash hiders and focuses on how muzzle devices affect blast, flash, and shooter comfort, particularly indoors. His primary scenario is home defense, where he wants to avoid excessive noise and concussion in confined spaces during a late-night incident. He acknowledges that not everyone is highly trained and that managing sound and flash can help maintain composure. In this context, he ranks a sling lower because, in a typical home defense situation, he expects to keep the rifle shouldered and on target rather than transitioning to other tasks where a sling would be more critical.

Positive Control: Grips, Rail Panels, and Slings

For his fourth upgrade, the home-defense-focused host emphasizes positive control of the rifle. This includes vertical grips, rail panels, or a sling—anything that helps lock the support hand and shoulder into a stable, repeatable position. He wants a configuration that allows him to drive the rifle firmly into the shoulder pocket and maintain control during movement or recoil. In his view, once an optic and light are in place, control accessories become important for accurate, consistent shooting under stress. He notes that in a defensive context, he needs to move quickly to protect family members, identify who is entering a room, and avoid unintended engagement, so a combination of good illumination, a reliable optic, and solid control of the rifle is essential.

Suppressors Becoming Mainstream

The other host lists a suppressor as his fourth upgrade and points out that suppressors are becoming more common on AR-15s. He focuses on the benefits of reduced sound and blast when shooting 5.56 or other rifle calibers, both indoors and outdoors. While the conversation is cut short, the context suggests he views a suppressor as an important step after adding optics, sling, and light or light/laser systems. The emphasis remains on practical performance: managing noise, improving shooter comfort, and maintaining better control and awareness during firing, rather than chasing cosmetic or purely aesthetic modifications.