Description
Picture this: you’re at the line, the clock is ticking, and your next stage is a 300-yard rifle shot followed by a close-quarters transition. Your gear can’t be the variable. You need a rifle built for the rhythm of competition—speed, reliability, and precision, round after round. That’s the mission profile of the STAG AR-15 3G 3 GUN COMPETITION 10 Rd Mag.
The STAG AR-15 3G 3 GUN COMPETITION 10 Rd Mag is a purpose-built competition rifle designed for the multi-discipline 3-Gun sport. It features a 10-round magazine configuration for states with capacity restrictions and is engineered for rapid handling, flat shooting, and reliable performance across rifle, pistol, and shotgun stages. This model ships to Missouri and compliant US states.
Built around a free-float handguard system, the rifle provides a consistent grip point and eliminates point-of-impact shift from sling pressure or barricade contact. That matters when you’re taking an off-hand shot at a distant plate. The handguard offers ample real estate for a forward grip and your preferred optic, keeping your support hand stable and your transitions smooth. The 18-inch barrel is the sweet spot for 3-Gun—long enough for velocity and accuracy at distance, but still maneuverable for close-in work. Speaking of accuracy, the rifle’s 1:8 twist rate stabilizes a wide range of common .223 Remington and 5.56 NATO loads, from lighter 55-grain to heavier 77-grain match bullets, giving you load flexibility. At a ready-to-run weight of approximately 7.5 pounds, it balances speed and stability.
The heart of any reliable AR is its bolt carrier group, and Stag Arms outfits this model with a properly staked, mil-spec compatible gas key and a Carpenter 158 steel bolt. This isn’t a place for shortcuts. The rifle uses a mid-length gas system, which yields a softer recoil impulse compared to a carbine system—less muzzle rise means faster sight recovery for your next shot. Here’s the thing—you don’t need to be a gunsmith to get this rifle ready for a match. It’s drop-in ready, compatible with a vast ecosystem of AR-15 parts and accessories from brands like Magpul, BCM, and Radian. The 10-round magazine configuration makes it a viable option for competitors in regulated states, while the overall build quality ensures it won’t let you down when the timer starts.
| Specification | Detail |
|---|---|
| Caliber | 5.56 NATO / .223 Remington |
| Barrel Length | 18″ |
| Barrel Twist | 1:8 |
| Gas System | Mid-Length |
| Handguard | 15″ M-LOK Free Float |
| Magazine Capacity | 10 Rounds |
| Stock | 6-Position Adjustable |
Pros: The 18-inch mid-length system is ideal for reduced felt recoil and reliable cycling. The free-float M-LOK handguard is lightweight and highly configurable. Its build quality focuses on critical reliability points. The 10-round mag setup addresses compliance without sacrificing the core competition features.
Cons: The $1293.34 price point is an investment. The rifle comes as a complete firearm, so you’ll still need to budget for optics, a sling, and magazines. The 18-inch barrel can feel slightly less nimble in extremely tight barrel-to-barricade stages compared to a 16-inch carbine.
This rifle is for the practical competitor. It’s for the shooter who treats 3-Gun as a test of skill, not just a casual outing. It’s for the Missouri resident who needs a compliant, high-performance tool that can handle local matches and beyond. It’s also a solid choice for a discerning shooter looking for a high-quality, accurate AR-15 platform for target shooting or tactical training, where the competition-grade features translate directly to confidence and capability.
Frequently Asked Questions
Q: Is this rifle only for 3-Gun competition?
A: Not at all. While its features are optimized for the sport—like the barrel length, gas system, and handguard—it makes an excellent, highly accurate general-purpose rifle for target shooting, training, or varmint control. Its reliability and accuracy are benefits in any scenario.
Q: Can I use standard 30-round magazines with it?
A: Yes. The lower receiver is a standard AR-15 pattern and will function with any mil-spec AR-15 magazine. The rifle is simply supplied with a 10-round magazine to ensure compliance for customers in restricted states. You can use other capacity magazines where legally permitted.
Q: What kind of optic should I put on it?
A: For 3-Gun, a low-power variable optic (LPVO) in the 1-6x or 1-8x range is the most popular choice, as it handles both close-range and long-range targets. A robust red dot sight is also a great option for faster, closer-stage focused shooting. The rifle’s flat-top upper receiver is ready for any standard mount.
Ready to build your competition setup on a foundation of proven performance? This STAG AR-15 3G is available at firearms-missouri.com for Missouri residents and nationwide.
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