Showing posts with label Gel Test. Show all posts
Showing posts with label Gel Test. Show all posts

Sunday, October 18, 2015

22 LR Ammo Test - CCI Velocitor 40 Grain CP HP


CCI Velocitor is the fastest of the five 22 LR loads classified as Small Game ammunition.  The heavy 40 grain hollow point bullet is driven to 1435 feet per second velocity, which puts it between the high velocity and hyper velocity CCI loads.  The Velocitor features a unique copper plated hollow point bullet that was derived from Gold Dot bullet technology even though it looks nothing like the 40 grain Gold Dot bullet loaded in the Speer Gold Dot Short Barrel 22 WMR load.  I've never shot this particular load before, so I was very interested to see how it performed.

Following the previously established test
protocol, I used a Ruger 10/22 as the test rifle and all shots were taken at a range of 25 yards.

I had a little problem with the chronograph catching the velocity of all test shots due to the angle of the sun.  I ended up taking ten test shots to capture baseline velocity and all shots settled into a group of just less than .7 inches.  I usually only shoot five shots for the group.  This load appears to be sufficiently accurate for small game hunting.

After swapping the Clear Ballistics gel block for the target, I ran four test shots into the 6"x6"x16" clear gel.  The high-speed camera captured four very impressive temporary expansion cavities.  Even though two of our four test shots exited the gel block and were not recovered, it certainly appears that all four expanded uniformly across a narrow band of velocities between 1297 and 1317 feet per second.

My Thoughts on this Test
High velocity with controlled expansion and deep penetration are all great things to find in a small game hunting load.  The accuracy of this load in my 10/22 was also "good enough" for the intended purpose.  It may not deliver tack driving accuracy, but it will most assuredly ruin a rabbit or squirrel's day.

Final Verdict
Brick-Worthy  This is certainly a small game hunting load to buy by the brick.  It delivers exceptional down range energy and uniform expansion.  A video recap of the test is included below.
 
Direct Link To Video On YouTube


Monday, September 14, 2015

22 LR Ammo Test - Winchester Varmint HE 37 Grain Segmenting Hollow Point



Varmint HE is one of the newer rimfire ammunition developments from Winchester.  Currently available in 22 LR, 22 WMR, and 17 WSM this varmint load features high velocity for enhanced terminal performance.  The 22 Long Rifle load, tested here, features a hollow point bullet that is designed to expand and segment into 4 pieces.  As described by Winchester, the three forward petals shear away from the bullet shank during expansion.  The petals radiate away from the central wound channel while the heavy bullet base continues on a straight path through the target.  Winchester describes this as 3/1 Segmenting Expansion.

For this test I used a Ruger 10/22 Carbine with an 18.5 inch barrel.

The chronograph and gel block were positioned 25 yards down range of the rifle.

Prior to starting the test I measured ambient air temperature and relative humidity.

The test protocol is simple. Run 5 rounds into a target to capture the average velocity. Shooting
from a rest, I also capture an accuracy sample.

During the second phase of the test I replace the target with a 16 x 6 x 6 inch block of Clear Ballistics Gel. Shooting over the chronograph, I spread 4 shots into the gel block.

The test concludes back at the house where the penetration depth for each bullet is measured.

Each bullet is then recovered from the gel and
weighed and measured.

Each recovered bullet is photographed from top and bottom and displayed with the data measurements from each test shot.

For those less detail oriented, you can jump right into the test video posted on the Rimfire Channel YouTube channel.

My Thoughts On This Test:
I thought these test results were outstanding.  With hyper velocity ammunition, accuracy can suffer in some rifles.  We didn't see that was the case with this ammunition.  While we didn't see the 3/1 segmenting expansion in our test results, all four of our test shots expanded to nearly 2 times their original diameter.  Velocity was a bit "spready" with a spread of nearly 100 fps in our 4 test shots, but they all performed well.


Final Verdict:
Brick-Worthy  This one is worthy of buying by the brick when it starts showing up on store shelves again.  My opinion may change if new batches demonstrate segmenting expansion.  I think this load performs perfectly as tested.

Direct Link to Video on YouTube