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One of the best parts of designing and building bespoke firearms is the opportunity to work with people from all walks of life. Occasionally, another photographer and firearms enthusiast reaches out looking for something truly unique for their personal collection. That was the case with fellow photographer Tommy MacDonald. MacDonald is a retired U.S. service member with an extensive background that includes time spent in hostile environments protecting high-value individuals and assets.

MacDonald has been a fan of ancient Greek mythology since he was young, and the idea for a Spartan-inspired build grew naturally from that interest. He already owned a custom-made Spartan helmet from the film *300*, which helped shape the overall direction of the project. From the start, he knew he wanted the rifle configured as an AR pistol.


With a themed build like this, the foundation matters. The starting point was the Sharps Bros. Overthrow Gen 2 billet lower receiver. The design features strong lines, excellent machining, and a Spartan helmet integrated into the magwell, making it a natural fit for the concept.


To keep overall length short, an Odin Works CQB pistol brace was installed. This system is well built and includes everything needed, including a spring-loaded brace, buffer tube, buffer spring, and buffer.


Trigger duties are handled by an Elftmann Tactical flat-face match trigger. It offers a solid pull and is adjustable from 2¾ to 7 pounds without removing it from the lower receiver. The trigger is retained using Iron City Rifleworks Black Diamond titanium trigger pins, with matching Black Diamond takedown pins keeping the upper and lower securely mated.

Continuing the blacked-out small-parts theme, a TriggerTech 45-degree ambidextrous safety selector was chosen. It offers a positive, tactile feel when switching between safe and fire.


On the left side of the lower, a POF-USA bolt catch replaces the standard mil-spec part. It provides a cleaner look and a more substantial surface area for releasing the bolt carrier group. For the grip, Tyrant CNC’s MOD grip with their chevron pattern was selected, tying into the overall design theme while offering a comfortable and secure hold.

When standard capacity isn’t enough, an Aeroknox billet magazine basepad adds five additional rounds to a Magpul PMAG while maintaining a clean, machined appearance.


Up top, keeping the pistol compact without sacrificing reliability or accuracy was the goal. An Odin Works 10.5-inch Ultralite 5.56 barrel was selected. Made from 416R stainless steel, it uses a carbine-length gas system and includes a .750 adjustable gas block. Protecting the shooter’s hand is a 9.5-inch Midwest Industries Combat handguard. It’s slim, lightweight, and features plenty of M-LOK slots for accessories.

At the muzzle is a Hideout Hybrid muzzle brake from Torrent Suppressors, now available through Guardian Defense Manufacturing. The brake performs well on its own and is threaded to accept their QD mounting system, which uses an industry-standard HUB thread pitch compatible with many popular suppressors.


An Iron City Rifleworks Black Diamond S2 bolt carrier group was selected both for its dark finish and its performance. The DLC coating is extremely slick straight out of the box, offering functional benefits beyond appearance. Charging the pistol is handled by a Noveske Super Badass ambidextrous charging handle.


To match the lines and ergonomics of the rest of the build, a Tyrant CNC MOD foregrip was installed. It offers ample room for the support hand and can be oriented in either direction to suit the shooter’s preference.


MacDonald already had a specific optic in mind. The setup consists of a Trijicon ACOG with a 12-o’clock-mounted RMR, all secured in a Bobro mount. All components are housed in a Sharps Bros. billet upper receiver, which mirrors the lower’s design while maintaining the company’s known level of quality.

No themed build is complete without the right finish. The parts were sent to Koted Arms in Tempe, Arizona, a shop long known for executing detailed and cohesive Cerakote work.


Burnt bronze was selected as the primary color, fitting the Spartan theme perfectly. Koted Arms took it further with a hand-applied battle-worn finish and subtle blood-splatter details, rounding out the look without overpowering the design.

Although MacDonald owns other firearms meant for hard use, he admits this one doesn’t see the range often. With the level of detail and thought put into the build, he considers it more of a collector’s piece. That said, it’s always ready should it need to come off the wall—whether for a few rounds downrange or for another Spartan-themed photoshoot.
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© 2026 UN12 Magazine
© 2026 UN12 Magazine
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