The Weatherby 6.5-300 WBY Mag 127gr Barnes LRX load is a box of 20 rounds of 6.5-300 Weatherby Magnum hunting ammunition built on premium brass (Weatherby part no. B653127LRX). The 6.5-300 Weatherby Magnum (in production since 2016) was developed to take advantage of the extremely accurate 6.5mm bullet, and it is the 300 WBY case necked down from 30 caliber to 6.5mm. The Barnes LRX is an all-copper bullet with a polymer tip, drawn out with longer ogive and boat tail sections to raise ballistic coefficient, and it opens into four cutting petals on impact. Weatherby publishes a muzzle velocity of 3,475 fps and 3,405 ft-lbs of muzzle energy for this 127-grain load, still carrying 2,449 fps at 500 yards. Weatherby lists a 2016 production start for the cartridge.

Key Specifications

• The cartridge is 6.5-300 Weatherby Magnum, the 300 Weatherby Magnum case necked down from 30 caliber to 6.5mm.
• Bullet weight is 127 grains, the load weight Weatherby lists for this part number.
• The bullet is the Barnes LRX, and the longer ogive and boat tail are there to improve long-range performance.
• Bullet diameter is .264 inch (6.5mm), the size Weatherby lists for this cartridge.
• The G1 ballistic coefficient is .468, a measure of how well the bullet resists drag as it flies.
• Muzzle velocity is 3,475 fps from Weatherby published ballistics, which sets the flatness of the trajectory.
• Muzzle energy is 3,405 ft-lbs, the starting point for the energy the bullet delivers downrange.
• Velocity at 500 yards is 2,449 fps, showing how much speed the bullet retains at long range.
• Maximum case length is 2.825 inches, the dimension that governs which chamber the round fits.
• The case is premium brass, which Weatherby pairs with carefully selected powder and primers for consistent ignition.

Frequently Asked Questions

What bullet does this 6.5-300 WBY Mag load use? It uses a 127-grain Barnes LRX. The Barnes LRX is an all-copper bullet with a polymer tip, drawn out with longer ogive and boat tail sections to raise ballistic coefficient, and it opens into four cutting petals on impact.

What velocity and energy does this load publish? Weatherby lists 3,475 fps and 3,405 ft-lbs at the muzzle, falling to 3,034 fps and 2,596 ft-lbs at 200 yards and 2,449 fps and 1,691 ft-lbs at 500 yards.

What is the 6.5-300 WBY Mag cartridge? The 6.5-300 Weatherby Magnum (in production since 2016) was developed to take advantage of the extremely accurate 6.5mm bullet, and it is the 300 WBY case necked down from 30 caliber to 6.5mm. Weatherby lists a 2016 production start for the cartridge.

Buy the Weatherby 6.5-300 WBY Mag 127gr Barnes LRX Rifle Ammunition, 20-Round Box

Weatherby builds this 6.5-300 WBY Mag load around a 127-grain Barnes LRX so the cartridge performs the way its design intends. Order it from Weatherby‘s selection of rifle ammunition through our Lubbock, Texas gun shop for fast, insured shipping.