Uniform loads require consistent powder charges, and many handloaders find a baffle helps them throw more consistent charges. This baffle is specifically designed for RCBS powder measures and provides handloaders a uniform powder flow by controlling the gravity feed pressure of the powder column on the metering unit. RCBS: PRECISIONEERED RELOADING. RCBS has dedicated itself to the craft of handloading ammunition since it was founded in 1943. RCBS is the leading manufacturer of reloading equipment for rifles and pistols. Reloading is an exact process with tight tolerances. It requires precision and skill to be done correctly. Thats why RCBS makes state-of-the-art products all are backed by RCBSs industry-leading reputation.