Previous trademark established circa 1988, located in Phoenix, AZ.
G. McMillan & Co., Inc. had various barrel markings from 1988-1995 including G. McMillan, Harris - McMillan, and Harris Gunworks.

McMILLAN, G. & CO., INC. Models

available in 9mm Para., 10mm, .38 Super, .38 Wad Cutter, .40 S&W, .45 ACP, or .45 Italian cal., interchangeable barrels, competition ready handgun patterned after the Colt 1911. Imported 1992-95.
combat features including 5 1/2 in. compensated barrel.
competition features including 6 in. non-compensated barrel.
available in a variety of cals., utilizes Signature benchrest short action, choice of stainless steel barrel lengths, right or left-hand action, single shot or repeater, McMillan design fiberglass stock, choice of electroless nickel or Teflon finish, 5 lbs. Mfg. 1992-95.
available in various cals. between .22-250 Rem. and .416 Rem. Mag., receiver available in either 4340 chrome molybdenum or 17-4 stainless steel, drilled and tapped, match grade barrel. Mfg. 1992-95.
various cals. available between .22-250 Rem. and .416 Rem., premium wood stock, matte metal finish, 22 or 24 in. stainless steel barrel with button rifling, McMillan action made from 4340 chrome moly steel (either left- or right-handed), 3 or 4 shot mag. supplied with 5 shot test target. Mfg. 1988-95.
similar to Signature Model, except is available in 10 cals. between .22-250 Rem. and .350 Rem. Mag., hand bedded fiberglass stock, adj. trigger, 26 in. heavy contour barrel. Mfg. 1988-1995.
.270 Win., .280 Rem., .30-06, .300 Win. Mag., .338 Win. Mag., or 7mm Rem. Mag. cal., lighter weight variation with shorter barrel. Mfg. 1990-95.
available in 11 cals. between .270 Win. and .416 Rem. Mag. Mfg. 1990-95.
available in 15 cals. between .300 Win. Mag. and .460 Wby. Mag., hand-bedded fiberglass stock, 4 shot mag., 24 in. stainless steel barrel, matte black finish, 9 1/2 lbs. Mfg. 1988-95.
.308 Win. cal., Remington action with McMillan match grade heavy contour barrel, fiberglass stock with recoil pad, 4 shot mag., 9 lbs. Mfg. 1990-95.
.300 Phoenix, .30-06 (new 1989), .300 Win. Mag. or .308 Win. cal., fiberglass stock, variety of optical sights. Mfg. 1988-95.
includes Model 86 Sniper Rifle, bipod, Ultra scope, rings, and bases. Cased. Mfg. 1988-92.
.50 BMG cal., stainless steel bolt action, 29 in. barrel with muzzle brake, single shot, camo synthetic stock, accurate to 1,500 meters, 21 lbs. Mfg. 1988-95.
includes Model 87 Sniper Rifle, bipod, 20X Ultra scope, rings, and bases. Cased. Mfg. 1988-92.
same specs. as Model 87, except has 5 shot fixed box mag. Mfg. 1990-95.
.308 Win. cal., 28 in. barrel with suppressor (also available without), fiberglass stock adj. for length and recoil pad, 15 1/4 lbs. Mfg. 1990-95.
.50 BMG cal., bullpup configuration with shorter barrel. Mfg. 1993-95.
.50 BMG cal., similar to M-87, except has folding stock and detachable 5 or 10 shot box mag. Mfg. 1993-95.
.300 Phoenix cal., special fiberglass stock featuring adj. cheekpieces to accommodate night vision optics, adj. buttplate, 29 in. barrel, conventional box mag., 12 1/2 lbs. Mfg. 1992 only.
available in Metallic Silhouette (.308 Win. or 7mm-08 Rem. cal. - disc. 1989), National Match (.308 Win. cal. only), Long Range (.300 Win. Mag. only), or Bench Rest (shooter's choice). Each model made specifically for individual competition events. Mfg. 1988-95.