Brass Fetcher
Member
Don't know where else to post this, but I wanted to get the results out to you. Mods, if it makes a difference, the tests were done with pellet rifles.
This was an informal test, and I thought that I would try something new, as I am about out of gelatin powder and this should be my last test or two before I quit the gelatin for good.
Anyways, I used a pump-up Crosman 0.177" (the thirty dollar one from Wal-Mart) gun and a Crosman 0.22" gun (with ~ 20" barrel). No chrono was used, as the testing was done in my garage. The 0.177" was pumped ten times for all shots - likely giving a fairly constant 'juice' input to all 0.177" projectiles.
In order to increase expansion on the HP pellets, I cut a 'x' shaped cut into the face of the pellet using an X-acto knife. The cut went the length of the cavity, and stopped at the base of the cavity. The 'reversed' pellets were just that - I turned them around in the gun and fired them, giving hollowpoint-esque expansion. There are also two denim tests in there, to simulate a rodent with a thick hide (I guess ). Left to right in the pic is equal to top to bottom in the listing of results.
Gamo .177 Magnum (reversed) = 0.254”; Penetration = 1.54”
Gamo .177 Pointed (reversed) = 0.253”; Penetration = 1.50”
Gamo .177 Match (reversed) = 0.270”; Penetration = 1.50”
Beeman 0.22 Crow-Magnum (reversed, 1 layer of denim) = 0.320”; Penetration = 2.24”
Gamo .177 Match = 0.178”; Penetration = 3.03”
Gamo .177 Pointed = 0.174”; Penetration = 4.05”
Steel .177 BB = 0.171”; Penetration = 2.95”
Lead .177 BB = 0.176”; Penetration = 3.90”
Beeman 0.22 Crow-Magnum (reversed) = 0.318”; Penetration = 2.68”
Beeman 0.22 Silver Bear (reversed) = 0.360”; Penetration = 1.54”
Beeman 0.22 Silver Bear = 0.221”; Penetration = 3.78”
Unknown pointed lead pellet 0.22 = 0.216”; Penetration = 5.08”
Beeman 0.22 Crow-Magnum = 0.221”; Penetration = 4.21”
Beeman 0.22 (X-cut) Crow-Magnum = 0.240”; Penetration = 3.70”
Beeman 0.22 (4-layer denim) Crow-Magnum = 0.231”; Failure to penetrate
final layer
This was an informal test, and I thought that I would try something new, as I am about out of gelatin powder and this should be my last test or two before I quit the gelatin for good.
Anyways, I used a pump-up Crosman 0.177" (the thirty dollar one from Wal-Mart) gun and a Crosman 0.22" gun (with ~ 20" barrel). No chrono was used, as the testing was done in my garage. The 0.177" was pumped ten times for all shots - likely giving a fairly constant 'juice' input to all 0.177" projectiles.
In order to increase expansion on the HP pellets, I cut a 'x' shaped cut into the face of the pellet using an X-acto knife. The cut went the length of the cavity, and stopped at the base of the cavity. The 'reversed' pellets were just that - I turned them around in the gun and fired them, giving hollowpoint-esque expansion. There are also two denim tests in there, to simulate a rodent with a thick hide (I guess ). Left to right in the pic is equal to top to bottom in the listing of results.
Gamo .177 Magnum (reversed) = 0.254”; Penetration = 1.54”
Gamo .177 Pointed (reversed) = 0.253”; Penetration = 1.50”
Gamo .177 Match (reversed) = 0.270”; Penetration = 1.50”
Beeman 0.22 Crow-Magnum (reversed, 1 layer of denim) = 0.320”; Penetration = 2.24”
Gamo .177 Match = 0.178”; Penetration = 3.03”
Gamo .177 Pointed = 0.174”; Penetration = 4.05”
Steel .177 BB = 0.171”; Penetration = 2.95”
Lead .177 BB = 0.176”; Penetration = 3.90”
Beeman 0.22 Crow-Magnum (reversed) = 0.318”; Penetration = 2.68”
Beeman 0.22 Silver Bear (reversed) = 0.360”; Penetration = 1.54”
Beeman 0.22 Silver Bear = 0.221”; Penetration = 3.78”
Unknown pointed lead pellet 0.22 = 0.216”; Penetration = 5.08”
Beeman 0.22 Crow-Magnum = 0.221”; Penetration = 4.21”
Beeman 0.22 (X-cut) Crow-Magnum = 0.240”; Penetration = 3.70”
Beeman 0.22 (4-layer denim) Crow-Magnum = 0.231”; Failure to penetrate
final layer