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Browse a huge selection of 243 ammo for your hunting & target shooting needs. Bulk Cheap Ammo has a wide collection of 1000+ in-stock .243 Winchester ammunition from top brands, including Winchester, Federal, Aguila, Fiocchi, Sig Sauer & others.

Don’t skip to check cheap 243 ammo & bulk .243 ammo deals to save big on your favorite products.

View our in-stock selection of .243 Winchester cartridges, available to buy for all common bullet weights, including 55 grains, 85 grains, 90 grains, 95 grains & 100 grains.

About 243 Ammo

243 Winchester is known as one of the best small to medium-game hunting cartridges in America.

Introduced in 1955 and became popular in the industry as one of the best whitetail deer cartridges.

The .243 is based on a necked down .308 Winchester, introduced only three years earlier.

The cartridge can be extremely accurate to 300 yards (270 m) and beyond but may not retain enough terminal energy to drop a medium game at that distance reliably.

Performance-wise, the .243 Winchester closely matches the 6mm Creedmoor, but the .243 Win has more bullet and casing options.

Its accuracy, mild recoil, and wide ammo selection make it a great choice for hunting deer, coyotes, and feral hogs.

Specifications

  • Parent case:.308 Winchester
  • Case type: Bottlenecked
  • Bullet diameter: .243 in (6.2 mm)
  • Land diameter : .237 in (6.0 mm)
  • Neck diameter: .276 in (7.0 mm)
  • Shoulder diameter: .454 in (11.5 mm)
  • Base diameter : .471 in (12.0 mm)
  • Rim diameter: .473 in (12.0 mm)
  • Case length: 2.045 in (51.9 mm)
  • Overall length: 2.7098 in (68.83 mm)
  • Case capacity: 53.7–54.8
  • Maximum pressure (C.I.P.) 60,191 psi (415.00 MPa)
  • Maximum pressure (SAAMI) 60,000 psi (410 MPa)

Ballistic Performance (Test barrel length: 24 in (610 mm)

Bullet mass/type Velocity Energy
58 gr (3.8 g) V-MAX 3,925 ft/s (1,196 m/s) 1,984 ft⋅lbf (2,690 J)
80 gr (5.2 g) TTSX 3,350 ft/s (1,020 m/s) 1,994 ft⋅lbf (2,704 J)
85 gr (5.5 g) TSX 3,200 ft/s (980 m/s) 1,933 ft⋅lbf (2,621 J)
95 gr (6.2 g) SP 2,980 ft/s (910 m/s) 1,873 ft⋅lbf (2,539 J)
100 gr (6.5 g) BTSP 2,960 ft/s (900 m/s) 1,945 ft⋅lbf (2,637 J)

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