Apollo Custom 43X Mos 9mm Luger Pistol, 3.41″ Barrel, 15+1-Round
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Home » Shop » Apollo Custom 43X Mos 9mm Luger Pistol, 3.41″ Barrel, 15+1-Round
Sale!
$649.99Original price was: $649.99.$569.98Current price is: $569.98.
🚚 Ships to your local FFL — order online, put your FFL dealer’s name and address in the Order notes box at checkout, and we coordinate the rest. Most firearms ship same or next business day. How buying a gun online works.
The Apollo Custom 43X MOS is a striker-fired 9mm sub-compact with a slim polymer frame, 15+1 capacity, and optics-ready MOS slide for red dot mounting.
The Apollo Custom 43X MOS 9mm pistol is a sub-compact, striker-fired handgun built for shooters who demand a slim, light package. With a 3.41″ carbon steel barrel and single-stack polymer frame, this pistol delivers the compact profile that works for concealed carry, home defense, or recreational range shooting.
Additionally, the 43X MOS holds 15 rounds in the magazine plus one in the chamber, giving you solid capacity without sacrificing portability. Two magazines ship with the pistol, so you have backup ammo on hand from day one.
Optics-Ready Design
Moreover, the MOS slide is cut for a red dot sight and accepts multiple optic footprints, letting you choose the sight that fits your needs. You can also run the included white dot front and white outline rear sights if you prefer iron-only shooting.
Furthermore, a front rail gives you the option to mount a weapon light for low-light scenarios. This flexibility makes the Apollo Custom 43X MOS a true multi-role pistol.
Compact, Lightweight Performance
At 16.4 ounces and 6.5 inches overall, the 43X MOS is easy to carry and quick to deploy. The Robin’s Egg Blue Cerakote slide finish sets it apart from standard black pistols while the polymer frame keeps weight minimal.
Finally, the sub-compact frame design makes this pistol an excellent choice for shooters with smaller hands or those prioritizing ease of concealment. Whether you’re training at the range or carrying daily, the Apollo Custom 43X MOS handles both roles well.
Ordering from Western Sport
Order online and we ship it to the licensed FFL dealer you choose near you — see how buying a gun online works. Western Sport has been a licensed FFL/SOT dealer since 2007, and everything we sell carries the full manufacturer warranty. Questions before you order? Send us a message.
Frequently Asked Questions
Q: Is the Apollo Custom 43X MOS optics ready?
A: Yes. The MOS slide is cut to accept a red dot sight with multiple optic footprints so you can choose the platform that fits your needs. Iron sights work equally well if you prefer to shoot without an optic.
Q: What capacity does the 43X MOS have?
A: The pistol holds 15 rounds in the magazine plus one in the chamber (15+1 total). Two magazines are included with your purchase.
Q: How does ordering a firearm from Western Sport work?
A: Order online on our website and select your local FFL dealer. We ship the pistol to that dealer, who processes the federal transfer and background check before you take possession.
Q: What is the Apollo Custom 43X MOS best suited for?
A: The 43X MOS is ideal for concealed carry, home defense, and recreational shooting thanks to its compact size, light weight, and reliable 9mm performance. The optics-ready slide and weapon light rail add flexibility for any role you need it to fill.
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