Sinclair 50 Round Poly Case Loading Block #7 7MM/300 Belted Magnums Quantity_20/Box The N550 is tubular powder

The N550 is tubular powder type with symmetrical grain dimensions of 1

375 Bullet Weight 350gr Bullet Style Hollow Point Boat Tail Ballistic Coefficient G1 0

Although the bullet may prove to be somewhat "hard" at Hornet velocities

The raised InterLock® ring is embedded in the bullet's core

Unlike other reloading presses which connect the linkage to the lower half of the press

Sinclair 50 Round Poly Case Loading Block #7 7MM/300 Belted Magnums Quantity_20/Box The N550 is tubular powderSinclair 50 round blocks are machined from " material and are an excellent choice for short to medium length cases. Suitable for the following Cartridge: Standard Belted Magnums