WebFig.7 - Group Diagnosis (1) The Rifle. The TARGETS and groups are drawn to emphasize the distribution of shots. In practice, the groups will generally be larger but it is the shape of … WebJan 13, 2016 · Unsurprisingly, the more shots per group, the larger the group. The interesting thing was that the closest resemblance between the results was between five 5-shot groups and one 10-shot group. In fact, with my second rifle, the five 5-shot groups averaged out to the exact same size as the lone 10-shot group. Perfect 10s
Small-bore Shooting - Group diagnosis - by W.H. Fuller
Group shape is the main tip-off as to what might be going on with your bore. Here are six common group shapes and what they could mean. 1. Vertical A vertical group is typically the barrel’s way of asking for an increase in powder charge. 2. Horizontal A horizontal group might mean the shooter missed changes in the … See more Every barrel has a precision window—the number of shots, between cleanings, where the groups are the tightest. This window is largely dictated by the amount of … See more Barrels are similar to car tires. They eventually wear out and need to be replaced. Just like car tires, not all barrels wear out at the same rate. Do not fret. When you … See more WebThe rifle should be resting firmly and should be easy to aim and keep settled on target. Trigger control is a major factor in accuracy. A heavy creepy trigger can open groups right up and is the number one contributor to flinching. A … simon laporte facebook
Reading Groups, is this real? - 24hourcampfire
WebApr 9, 2014 · In the target at the top of this post, the calipers read 1.818″. This four shot group was made by a .308, so the next step is to subtract the bullet diameter from the group diameter. In this case we have 1.818 minus 0.308, which equals a group size of 1.51″, from the center of each of the farthest holes. In this instance, the calipers ... WebMar 5, 2024 · I chose one seating depth, based on a promising* group I previously fired. H4350. 41gr-42.5 in .3gr increments. CCI BR2 primers. Hornady brass. 142gr ABLR. **41gr group was too high, so I manually adjusted/punched 2” down after adjusting my scope 2” for the rest of the groups. You can see the evidence of the pasters above it. WebJul 23, 2008 · After reading the thread, instead of worrying about the best group, I placed the targets over the top of each other and held them up to a light. So, my good spot seems to fall between 38 and 39 grains of H380. The aggregate group is in a diamond pattern, 1 1/4 top to bottom 1 inch from side to side. simon laser labels 31340 template