Complex sentence: Regular Spanish troops were mostly armed with modern charger-loaded 1893 7mm Spanish Mauser rifles and using smokeless powder, while militia and irregular troops were armed with Remington Rolling Block rifles in.43 Spanish using smokeless powder and brass jacketed bullet.
Split into simpler sentences: Regular Spanish troops were mostly armed with modern charger-loaded 1893 7mm Spanish Mauser rifles and using smokeless powder. Other irregular troops were armed with Remington Rolling Block rifles in.43 Spanish using smokeless powder and brass jacketed bullet.