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No free man shall ever be de-barred the use of arms. The strongest reason for the people to retain their right to keep and bear arms is as a last resort to protect themselves against tyranny in government."

- Thomas Jefferson, of Virginia, Proposed Virginia Constitution, 1776

.375 Winchester

In 1979, Winchester introduced the .375 Winchester as a modernized, high-performance version of the .38-55 Winchester, a black powder cartridge from the 1880’s. .375 Winchester was introduced in 1978 along with the Winchester Model 94 “Big Bore” lever action rifle. Marlin (model 375), Savage (model 99) and Ruger (model 3) also introduced rifles chambered for the .375 Winchester, but very slow sales led to the demise of commercially available cartridges. Winchester officially stopped chambering rifles in .375 Winchester in 1987 and by 2002, only the TC Contender was the only commercial rifle available in the cartridge.

Though very similar in appearance to the older .38-55, .375 Winchester operates at much higher pressures (50,000 cup)

The lack of bullet selection for the .375 Winchester made reloading difficult, since most bullets available in the .375 caliber were intended for much faster cartridges, like the .375 H&H Magnum, and will generally not expand at .375 Winchester velocities. The .375 Winchester performs best with lighter bullets at around 2200 fps.

The .375 Winchester provides the power and accuracy to take down deer and black bear out to distances of 150 yards.

Type                                                            Rifle
Place of origin                                             USA

Production History

Manufacturer                                               Winchester
Produced                                                      1978


Parent case                                                   38-55
Bullet diameter                                            .375 in (9.5 mm)
Neck diameter                                             .400 in (10.2 mm)
Base diameter                                              .420 in (10.7 mm)
Rim diameter                                               .506 in (12.9 mm)
Rim thickness                                              .063 in (1.6 mm)
Case length                                                  2.020 in (51.3 mm)
Overall length                                              2.560 in (65.0 mm)

Ballistic Performance

Bullet weight/type                                    Velocity                        Energy

200-gr (13 g) JFP                        2,223 fps (678 mps)            2,194.12 ft·lbf (2,974.83 J)
200-gr (13 g) JFP                        2,419 fps (737 mps)            2,598.09 ft·lbf (3,522.54 J)
220-gr (14 g) JFP                        2,029 fps (618 mps)            2,010.66 ft·lbf (2,726.09 J)
220-gr (14 g) JFP                        2,236 fps (682 mps)            2,441.85 ft·lbf (3,310.70 J)

8mm Mauser, .308 Winchester, .375 Winchester and .22 LR cartridge comparison.and

8mm Mauser, .308 Winchester, .375 Winchester, and .22 Long Rifle



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Browning .338 Winchester Magnum Video

Banks shooting the .338 Winchester Magnum by Browning

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I recently ordered a couple of new guns from my local gun shop. It may be a while until they come in, from what I am told. I ordered a 3 inch Ruger SP101 in the new .327 Federal Magnum caliber and a Ruger Hawkeye African in the .375 Ruger caliber. The seller tells me that the SP 101 in that make up is just now trickling out of the factory and that distributers are having a hard time stocking them for retailers, so I may be waiting a for more.