Great Lakes Firearms AR-10 GLFA GL10LA270SSBLK .270 AR10 Stainless Steel 24" 5-Round RifleGreat Lakes Firearms$1,151.19
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Great Lakes Firearms
The Great Lakes Firearms AR-10 in .243 Win is a modern, semi-automatic rifle built on a proven platform and engineered for shooters who want flat-shooting precision in a lightweight, manageable package. With its 24-inch stainless steel barrel, 7075 aluminum upper and lower receiver, and full-length Picatinny rail, this rifle is equally at home on the range, in the field, or as a foundation for a long-range hunting build. The .243 Winchester is known for its mild recoil, fast muzzle velocity, and effective energy out to distance—making it a popular choice for varmint hunters, target shooters, and precision rifle competitors who want less kick without sacrificing performance.
The barrel features 5R rifling and a 1:8 twist rate, both proven choices for stabilizing modern .243 ammunition and delivering consistent accuracy. The included muzzle brake is designed for tool-free wrench tightening and helps manage felt recoil. The lower is machined from 7075-T6 aluminum, one of the strongest alloys in the AR platform, and paired with a Mil-spec trigger that breaks between 5.5 and 6 pounds—crisp enough for precision shooting without being overly sensitive. The 20-inch full-rail handguard gives you mounting flexibility for optics, lights, and other accessories, while the rifle gas tube and 0.750 gas block (black oxide) ensure reliable, predictable cycling. With a 5-round magazine capacity and supplied with one magazine, this is a rifle ready to shoot out of the box.
At 9.3 pounds and 44 inches overall, the GLFA GL10243SSBLK strikes a practical balance between portability and stability. The Cerakote finish on the aluminum components provides solid corrosion resistance, and the Mil-spec polymer grip is comfortable and durable. Whether you're new to the AR platform or an experienced builder looking for a quality .243 upper and lower assembly, this rifle offers the precision, reliability, and accessory compatibility that modern shooters expect.
| Caliber | .243 Winchester |
| Action Type | Semi-Automatic |
| Barrel Length | 24 inches |
| Barrel Material | 416R Stainless Steel |
| Rifling | 5R |
| Twist Rate | 1:8 |
| Muzzle Threading | 5/8 x 24 |
| Upper Receiver | 7075 Aluminum |
| Lower Receiver | 7075 Aluminum |
| Handguard | 20-inch 6061 Aluminum with full Picatinny rail |
| Gas System | 0.750 Gas Block (Black Oxide) with rifle-length gas tube |
| Trigger | Mil-spec, 5.5–6 lb pull |
| Grip | Mil-spec Polymer |
| Magazine Capacity | 5 rounds |
| Magazines Included | 1 |
| Muzzle Brake | Included, wrench-tightened design |
| Finish | Cerakote |
| Overall Length | 44 inches |
| Weight | 9.3 lbs |
The .243 Winchester is a versatile, flat-shooting cartridge prized for varmint hunting, target shooting, and precision rifle work. It generates mild recoil and fast muzzle velocity, making it popular with shooters who want to reach distance without heavy felt kick. It's also a solid choice for hunters seeking an intermediate-power round.
Yes. The 20-inch full-length Picatinny rail handguard and upper receiver provide multiple mounting points for scopes, red dots, magnifiers, lasers, lights, and other tactical accessories. You'll need to source these separately.
The rifle comes with one 5-round magazine and an included muzzle brake. Sights, optics, and additional magazines are not included.
No, the safety is not ambidextrous on this model.
Great Lakes Firearms
The Great Lakes Firearms AR-10 in .243 Win is a modern, semi-automatic rifle built on a proven platform and engineered for shooters who want flat-shooting precision in a lightweight, manageable package. With its 24-inch stainless steel barrel, 7075 aluminum upper and lower receiver, and full-length Picatinny rail, this rifle is equally at home on the range, in the field, or as a foundation for a long-range hunting build. The .243 Winchester is known for its mild recoil, fast muzzle velocity, and effective energy out to distance—making it a popular choice for varmint hunters, target shooters, and precision rifle competitors who want less kick without sacrificing performance.
The barrel features 5R rifling and a 1:8 twist rate, both proven choices for stabilizing modern .243 ammunition and delivering consistent accuracy. The included muzzle brake is designed for tool-free wrench tightening and helps manage felt recoil. The lower is machined from 7075-T6 aluminum, one of the strongest alloys in the AR platform, and paired with a Mil-spec trigger that breaks between 5.5 and 6 pounds—crisp enough for precision shooting without being overly sensitive. The 20-inch full-rail handguard gives you mounting flexibility for optics, lights, and other accessories, while the rifle gas tube and 0.750 gas block (black oxide) ensure reliable, predictable cycling. With a 5-round magazine capacity and supplied with one magazine, this is a rifle ready to shoot out of the box.
At 9.3 pounds and 44 inches overall, the GLFA GL10243SSBLK strikes a practical balance between portability and stability. The Cerakote finish on the aluminum components provides solid corrosion resistance, and the Mil-spec polymer grip is comfortable and durable. Whether you're new to the AR platform or an experienced builder looking for a quality .243 upper and lower assembly, this rifle offers the precision, reliability, and accessory compatibility that modern shooters expect.
| Caliber | .243 Winchester |
| Action Type | Semi-Automatic |
| Barrel Length | 24 inches |
| Barrel Material | 416R Stainless Steel |
| Rifling | 5R |
| Twist Rate | 1:8 |
| Muzzle Threading | 5/8 x 24 |
| Upper Receiver | 7075 Aluminum |
| Lower Receiver | 7075 Aluminum |
| Handguard | 20-inch 6061 Aluminum with full Picatinny rail |
| Gas System | 0.750 Gas Block (Black Oxide) with rifle-length gas tube |
| Trigger | Mil-spec, 5.5–6 lb pull |
| Grip | Mil-spec Polymer |
| Magazine Capacity | 5 rounds |
| Magazines Included | 1 |
| Muzzle Brake | Included, wrench-tightened design |
| Finish | Cerakote |
| Overall Length | 44 inches |
| Weight | 9.3 lbs |
The .243 Winchester is a versatile, flat-shooting cartridge prized for varmint hunting, target shooting, and precision rifle work. It generates mild recoil and fast muzzle velocity, making it popular with shooters who want to reach distance without heavy felt kick. It's also a solid choice for hunters seeking an intermediate-power round.
Yes. The 20-inch full-length Picatinny rail handguard and upper receiver provide multiple mounting points for scopes, red dots, magnifiers, lasers, lights, and other tactical accessories. You'll need to source these separately.
The rifle comes with one 5-round magazine and an included muzzle brake. Sights, optics, and additional magazines are not included.
No, the safety is not ambidextrous on this model.