Official Grendel SBR/Pistol Velocity Thread

[Bigs28]

12" faxon group buy

I shot 123g SMK, CCI 450, COAL 2.265, XBR 8208
26.0 Average 2081.5 FPS
26.3 Average 2099 FPS
26.6 Did not chrono
26.9 Average 2168 FPS
27.2 Average 2205 FPS
27.5 Average 2226 FPS
27.8 Average 2249 FPS
28.1 Average 2273 FPS
No pressure signs noted. Primers looked perfect. Did not see a spike in velocities. I did not measure groups. This was mostly brake in, zeroing, and tuning the bleed off gas block.

110g Controlled Chaos, CCI 450, 2.230 COAL, CFE223
30.1 Average 2240 FPS
30.4 Average 2271 FPS
30.7 Average 2283 FPS
31.0 Average 2307 FPS
31.3 Average 2333 FPS
31.6 Average 2337 FPS
31.9 Average 2364 FPS
32.2 Average 2390 FPS
32.5 Average 2411 fps
32.8 Average 2441 FPS

110g Controlled Chaos, 8208, CCI 450, COAL 2.240

28.0 no data
28.3 no data
28.6 no data
28.9 Average FPS 2323
29.2 Average FPS 2340
29.5 Average FPS 2363
29.8 Average FPS 2376
30.0 Average FPS 2411