The .303
British, was adopted in 1888
by Britain. This was the primary military round
for Britain during WWI and WWII. Britain used the .303
until 1957 when it was replaced by the .308 (7.62
NATO).
|
Cartridge Name |
.303
British |
|
Bullet
Diameter |
.311 |
|
Case
Neck Diameter |
.337 |
|
Case
Shoulder Diameter |
.402 |
|
Case
Base Diameter |
.458 |
|
Case Rim
Diameter |
.530 |
|
Case
Length |
2.21 |
|
Overall
Cartridge Length |
3.05 |
|
Military
Bullet Weight |
174 |
|
Velocity |
2440 |
Ballistics -
Similar to the 30.40 Krag and 30.06.
New Production
Ammo can be found manufactured by Norma, Sellier Bellot
, Winchester,
and Remington to name a few.
Surplus Ammo - Found all over the place.
Some is corrosive, if used please be sure you follow
corrosive ammo cleaning guidelines or you will corrode you
rifle bore. Brass is pretty much unloadable.
Reloading Dies
are made by Dillon
Precision, RCBS, Redding, and Lee
Precision , to name a few.
Reloading
components can be found at Huntington's, Midway USA, and
the Wholesale
Hunter, to name a few.
Brass
- I suggest purchasing new brass from Midway USA or other
supplier listed above. Widely available and
inexpensive.
Powder - IMR
3031, IMR 4320, IMR 4895, or IMR 4064 are all good
powders for this round.
