Great Lakes GL10243SSBLK AR-10 .243 Win 24″ 5rd

About this product

The Great Lakes GL10243SSBLK is an AR-10 pattern semi-automatic chambered in .243 Winchester designed for precision-oriented field use. It combines a long 24-inch stainless steel barrel with 5R rifling and a 1:8 twist to support a range of bullet weights. The rifle pairs billet 7075 aluminum receivers with a 20-inch M-LOK handguard and a full-length Picatinny top rail for optic and accessory mounting. It ships with a 5-round detachable magazine and a stainless muzzle brake on a threaded muzzle.

Key Specifications

• The action is semi-automatic.
• The caliber is .243 Winchester.
• The barrel measures 24 inches and uses a 1:8 twist with 5R rifling.
• The barrel material is 416R stainless steel and is threaded 5/8×24.
• The finish is Black Cerakote with a bi-tone metal appearance.
• The receivers are 7075 billet aluminum.
• The handguard is a 20-inch M-LOK aluminum unit with a full Picatinny top rail.
• The rifle ships with one 5-round detachable magazine.
• The muzzle assembly includes a 5/8×24 stainless steel muzzle brake.
• The overall length and weight are 44 inches and 9.3 pounds, respectively.

Built on a rugged AR-10 platform with billet 7075 receivers and a threaded stainless barrel, the GL10243SSBLK delivers the modularity and stability experienced shooters expect. Its combination of a long, match-oriented barrel, M-LOK handguard, and AR-10 compatibility makes it well suited for precision shooting and field work where repeatable accuracy and upgrade potential matter.