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HomeVideosAR-15 RiflesBust Your Builds | Episode 3

Bust Your Builds | Episode 3

· February 13th, 2024 · AR-15 Rifles

Classic Firearms returns with episode three of Bust Your Builds, critiquing viewer-submitted rifles and pistols. The team breaks down optics, accessories, and configuration choices with blunt but constructive feedback.

Video Summary

Read the full transcript

Show intro and how to submit builds

The Classic Firearms crew opens episode three of Bust Your Builds from the warehouse, with Clint joined by Ka, Jason, and Matt. They explain that the series features followers, subscribers, and customers sending in photos of their personal builds for critique and a numerical rating. The BustYourBuilds Gmail account is now reactivated after an appeal, and viewers are encouraged to submit both a clear image and a detailed spec sheet. Poor or low-quality photos make it hard to identify parts and will likely result in a lower score. The team emphasizes that the feedback is meant as constructive criticism, even if some joking and trash talk are involved.

Short 300 Blackout pistol build critique

The first build is a short 300 Blackout pistol from a viewer named Mac, described as a first build that is not yet fully upgraded. The rifle features a Southern Tactical dust cover with a humorous ATF-themed design, anodized blue Strike Industries controls, and an Odin Works component that earns a small nod of approval. The front end appears to wear a basic A2 birdcage muzzle device, and the charging handle is a standard, non-upgraded unit. The group notes coupled 300 Blackout magazines, stickers, and what looks like a budget vertical foregrip and accessories that give the gun a “Fortnite” or meme-like appearance rather than a refined build.

Optics and accessory issues on the 300 Blackout

Attention shifts to the accessories on Mac’s 300 Blackout. The light or laser on the handguard is suspected to be a cheap laser unit rather than a Streamlight, based on its appearance. Cable management is handled with Velcro wrapped under the gas tube, which the crew predicts will melt and fail under heat, recommending tape instead. A bungee sling is present but not favored by the reviewers. Magpul backup iron sights are described as overly chunky and not a preferred choice. Overall, the build is acknowledged as a functional, self-assembled 300 Blackout pistol, but the lack of a QD suppressor-ready muzzle device and the mix of budget accessories lead to scores around two to four, with encouragement to resubmit after improvements.

Camouflaged AR with suppressor and bridge-mounted optics

The next submission shows a rifle photographed against a tree, making details difficult to see but highlighting a well-executed camouflage paint job. The rifle appears to be a Smith & Wesson M&P15 with a keymod handguard, Magpul stock, and a padded Magpul MS3-style sling. A skull motif on the lower receiver looks like an aftermarket add-on rather than an integral Sharps Bros–type lower. The rifle is equipped with a can that the crew suspects might be a form 1 suppressor. The overall look of the camo and general configuration earns visual approval, even though many specifics remain unclear due to the angle and background.

Confusion over bipod, can, and optic risers

The team spends time trying to decipher the front-end setup and optics on the camouflaged rifle. What first appears to be an odd protrusion is eventually identified as a bipod leg, with the second leg partially obscured by the keymod rail. The suppressor length relative to the barrel raises questions about the exact barrel length and configuration. The optic setup is the most confusing element: a red dot and magnifier are mounted using tall risers that bridge from the upper receiver onto the handguard. The magnifier is thought to be from TruGlo or a similar brand, not Aimpoint, and the overall arrangement is considered overly complicated and poorly positioned. Despite liking the paint job and the fact that it is suppressed, the crew rates it around four to five, citing the bridge-mounted optics, keymod, and unnecessary skull accessory as main drawbacks.

Anderson 300 Blackout build overview

Another viewer, Jesse, resubmits after previously forgetting to attach photos, this time showcasing an Anderson 300 Blackout build. The rifle uses Anderson upper and lower receivers and is described as a 16-inch build. It features a three-pound Brigade Manufacturing cassette trigger with a distinctive “Christmas Story leg” style trigger shoe, which the crew recognizes and notes shoots well for a cassette trigger. The gun is set up with ambidextrous controls except for the bolt release. It wears an SB Tactical brace instead of a stock, a faux suppressor, a Magpul RLS sling, and a Sig Romeo red dot paired with a Sig Juliet magnifier. Jesse mentions dissatisfaction with the magnifier’s eye relief, a complaint the crew agrees is common with magnifiers in general.

Brace vs. rifle setup and faux suppressor questions

The panel questions why a pistol brace is used on what is described as a 16-inch 300 Blackout build. They speculate that the actual barrel length may be shorter, with the faux suppressor extending the overall length, or that the faux suppressor might slide over the barrel rather than attach like a standard muzzle device. This leads to discussion about whether the setup is truly a 16-inch rifle or a shorter configuration dressed to appear longer. They also note that a builder could start with a pistol, convert to a rifle, and then legally return to a pistol configuration, suggesting the owner may not be fully aware of that flexibility. The lack of an actual suppressor on a 300 Blackout platform is mentioned as a missed opportunity, since suppression is a common advantage of the caliber.

Rattle-can camo, Romeo and Juliet optics, and trigger choice

The Anderson 300 Blackout build appears to have a rattle-can paint job, possibly applied over fabric or similar material to create a pattern, which earns respect for the effort and decent execution. The Sig Romeo and Juliet optic combination is mounted so that the magnifier sits very close to the rear backup sight, likely making that sight unusable in its current position. The crew notes that the Romeo and Juliet are designed so the magnifier can flip and be swapped to either side, explaining the differing positions of the torque screws. Chunky backup iron sights again draw criticism. Overall, the trigger choice and camo work are seen as positives, while the brace on a claimed 16-inch build, the faux suppressor, and the cramped optic and sight layout raise questions and invite further refinement.

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