In my 6.5 Creedmoor, 42gr of 2209 with a 143gr eldx gave me more high pressure signs than 42gr of RL16 but the RL16 gave me 240fps more velocity than the 2209.
From what Ive read the RL16s burn rate is somewhere between 2208 and 2209 but produces less spiking pressure than both.
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