Description
There's a lot to like about a semi-auto 12 gauge that keeps things simple, and the GForce Arms GF4 does exactly that. You get an 18.5-inch barrel, a 5+1 tube, and an inertia-driven action that cycles both 2.75 and 3-inch shells without fuss. At 7 pounds and just under 40 inches overall, it swings quick indoors and won't wear you out during a long range session. The OD Green Cerakote on the barrel and receiver looks sharp against the black synthetic furniture, and more importantly, it shrugs off moisture and rough handling far better than a bare blued finish.
Sights and Setup on the GF4
Out of the box you're working with a ghost ring rear and a raised fixed front post, which is a fast, forgiving sight picture for buckshot work and plenty precise for slugs at practical distances. If you'd rather run a red dot, there's a Picatinny rail section included for the top of the receiver. Up front, the aluminum M-LOK forend gives you real estate for a light or a hand stop, and sling mounts are already built in, so you're not hunting down adapters just to carry the thing comfortably.
Feeding the GForce Arms GF4
The threaded barrel accepts Crio-style choke tubes, so you can tighten up patterns for the field or leave it open for defensive loads. That flexibility is a nice bonus at this end of the market, where a lot of tactical shotguns lock you into a fixed cylinder bore. Ambidextrous thumb safety rounds out the controls, and the pistol grip synthetic stock gives you a solid, repeatable mount shot after shot.
For a home defense gun, a truck gun, or a fun 3-gun starter that leaves budget on the table for ammo and accessories, the GF4 checks the boxes that matter without piling on gimmicks. Break it in with a few boxes of full-power loads, hang a light on the M-LOK slots, and it's ready to earn its keep.
Key Specifications
- Manufacturer: GForce Arms
- Model: SAX2T GF4
- MPN: GF412MODG
- UPC: 643477868485
- Gauge: 12 Gauge
- Chamber: 3" (accepts 2.75" and 3" shells)
- Action: Inertia-Driven Semi-Auto
- Barrel Length: 18.5", Threaded
- Capacity: 5+1
- Overall Length: 39.75"
- Weight: 7 lbs
- Finish: OD Green Cerakote
- Stock: Black Synthetic Pistol Grip Tactical Stock
- Forend: Black Aluminum with M-LOK Slots
- Sights: Ghost Ring Rear / Fixed Front Post
- Safety: Ambidextrous Thumb Safety
What’s Included
- GForce Arms GF4 12ga semi-auto shotgun
- Crio-style choke tube set
- Picatinny rail section for optic mounting
- Owner's manual
Frequently Asked Questions
Will the GForce Arms GF4 cycle both 2.75" and 3" shells?
Yes, the GF4 has a 3-inch chamber and its inertia-driven action is set up to run both 2.75 and 3-inch shells. Like most inertia guns, it tends to be happiest with full-power loads, so plan on standard buckshot, slugs, or heavier field loads rather than ultralight target shells, especially during break-in.
Can I mount a red dot on the GF4?
You can. The GF4 ships with a Picatinny rail section that mounts to the top of the receiver, giving you a solid platform for a red dot or other optic. If you prefer irons, the factory ghost ring rear and raised front post are quick and easy to pick up.
Does this GF4 accept choke tubes?
It does. The 18.5-inch barrel is threaded for Crio-style choke tubes, so you can adjust your pattern for defensive loads, clays, or field use. That's a handy feature on a tactical-length shotgun, since many competitors in this class come with a fixed cylinder bore only.
What accessories can I attach to the GForce GF4 forend?
The aluminum forend has M-LOK slots, so it takes any M-LOK compatible weapon light, hand stop, or rail section without adapters. There are also built-in sling mounts, which makes setting it up as a home defense or truck gun quick and painless.



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