Remington Core-Lokt .257 Roberts 117gr 20 rounds is a box of 117-grain core-lokt soft point big game ammunition (Remington part no. 28335). Remington has built Core-Lokt around a controlled-expansion design since 1939, locking the jacket and lead core together so the bullet opens reliably and keeps its weight. Remington publishes a muzzle velocity of 2650 fps and 1824 foot-pounds of muzzle energy for this .257 Roberts load, with 1663 fps still on the clock at 300 yards. Remington lists its use as big game, which suits a hunter who wants a proven bullet design rather than a specialty load. This .257 Roberts 117-grain version is distinct from the other Core-Lokt calibers and weights, so match both the chambering and the bullet weight to your rifle before you order.

Key Specifications

• Caliber is .257 Roberts, the designation Remington gives this load, so match it to the chamber marking on your rifle.
• Bullet weight is 117 grains, which sets the trajectory and energy figures Remington publishes.
• The bullet is the Core-Lokt Soft Point, the construction that governs how this load opens on impact.
• Muzzle velocity is 2650 fps as published by Remington, which is the starting point for drop and wind calculations.
• Muzzle energy is 1824 foot-pounds per Remington’s ballistics table, which is the energy the bullet carries out of the barrel.
• The published ballistic coefficient is .240, which indicates how well the bullet holds its speed against air resistance.
• Velocity at 300 yards is 1663 fps according to Remington, which shows how much speed the bullet keeps downrange.
• Wind drift at 300 yards in a 10 mph crosswind is 15.9 inches per Remington, a useful number when judging a shot across open ground.
• Remington lists the usage as Big Game, which tells you what the load was designed to do.
• Package quantity is 20 rounds, which is what the customer receives in this listing.

Frequently Asked Questions

What bullet does this .257 Roberts 117gr load use? It uses the Core-Lokt Soft Point. Remington describes the Core-Lokt design as a tapered jacket that expands reliably across a wide range of velocities, with the locked jacket and lead core retaining weight and driving through tough game.

What are the published velocity and energy figures? Remington publishes 2650 fps and 1824 foot-pounds at the muzzle, falling to 1663 fps and 718 foot-pounds at 300 yards.

What is this .257 Roberts load designed for? Remington lists the usage as big game.

Buy the Remington Core-Lokt .257 Roberts 117gr Core-Lokt Soft Point Ammunition, 20 Rounds

Core-Lokt is the standard Remington hunting bullet, and this .257 Roberts 117-grain box is a direct way to stock a rifle for the season. Order it with our other rifle ammunition from our Lubbock, Texas gun shop for fast, insured shipping.