Lyman’s Custom Fit Loading Blocks are designed to provide a precise fit for a family of cartridge sizes. Made from tough, durable polymer, Custom Fit Loading Blocks hold 50 cartridges and will securely nest together for easy storage. Custom Fit Loading Blocks come in 6 sizes to match up with a large variety of cartridges. Each block is clearly marked with the diameter of the cartridge storage hole.

Features and Specifications:
Manufacturer Number: 7728094

Fits:
Caliber/Rim Diameter
223 WSSM/0.555
300 Rem Ultra Mag/0.550
243 WSSM/0.555
300 Wea. Mag/0.531
25 WSSM/0.555
303 British/0.540
257 Wea. Mag/0.531
8mm Rem Mag/0.532
264 Win Mag/0.532
325 WSM/0.555
26 Nosler/0.550
338 RCM/0.532
270 WSM/0.555
338 Win Mag/0.532
270 Wea. Mag/0.531
340 Wea. Mag/0.531
7mm Rem Mag/0.532
338 Rem Ultra Mag/0.550
7mm Wea. Mag/0.531
350 Rem Mag/0.532
7mm WSM/0.555
375 H&H/0.532
7mm Rem SAUM/0.550
375 Ruger/0.532
28 Nosler/0.550
375 Rem Ultra Mag/0.550
7mm STW/0.532
405 Win/0.543
7mm Rem Ultra Mag/0.550
416 Rem Mag/0.532
30-40 Krag/0.545
450 Marlin/0.532
300 H&H/0.532
458 Win Mag/0.532
300 Rem SAUM/0.550
480 Ruger/0.542
300 RCM/0.532
50 AE/0.515
300 WSM/0.555
500 S&W/0.560
300 Win Mag/0.532