Winchester Supreme Ammunition - 300 Winchester Magnum - 165 Grain Fail Safe - 20 Rounds

SKU# S300WXA-EST

SKU#: S300WXA-EST
UPC:: 020892208032
Weight:: 1.47 LBS
Shipping:: Calculated at Checkout
ROUNDS PER BOX:: 20
ROUNDS PER CASE:: 20
MANUFACTURER:: Winchester
CALIBER:: 300 Win Mag
CASING:: Brass
CONDITION:: New
GRAIN:: 165
SKU:: S300WXA

Specifications
Reviews

Winchester Supreme Ammunition - 300 Winchester Magnum - 165 Grain Fail Safe - 20 Rounds

From an Estate sale, closing collector gun stores, or trade ins. Purchased as is and for personal collectors. Ammunition is in condition that is relevant to age with a few faint age spots and slight shelf wear.

Product Specifications

Cartridge - 300 Win Mag
Grain Weight - 165 Grains
Muzzle Velocity - 3120 Feet per Second
Muzzle Energy - 3567 Foot Pounds
Bullet Style - Fail Safe Hollow Point
Reloadable - Yes

Write a Review

1 Review

5
Winchester failsafe ammo

Posted by Art S on Mar 7th 2026

I’ve been searching for years to find a box sitting somewhere and this company found a single box. I snagged it up immediately. This ammo is amazing. I shot a moose with it and it performed flawlessly.