Friday, July 31, 2015

DT Sport Lite Quality Test, Part 2

In our previous blog post (DT Sport Lite Quality Test, Part 1), we put an "off-the-shelf" rifle through some pretty rough conditions.  It was dropped on pavement, slid across pavement, and more than 1000 rounds of ammunition were fired through it in under 4 hours.  Through all of this, the rifle never malfunctioned.  We also test fired the rifle for accuracy before, during, and after all of this was done  (specific details for all of this can be read and viewed by clicking the highlighted blue link at the top of this paragraph).



Sometimes a weapon can fall into water and be submerged, so I wondered how this might affect the DT Sport Lite.  WARNING: do not perform any of the described or illustrated actions portrayed in this test. They can be dangerous and will void the warranty on a DTI rifle.  The same test rifle from the previous blog post was submerged twice in a small pond.  The first time was with the bolt and carrier assembly retracted and locked back (ejection port cover open), and the second time was with the bolt and carrier assembly forward (as seen in video above).  While it was underwater the rifle was pulled back and forth in an attempt to allow sand and other particles to get inside various parts of the weapon.  It did...the sand between the buffer tube and stock made it difficult to change positions on the stock at first.  Walking in from the pond to the test firing room, I worked the stock back and forth continually and it eventually returned to a normal feel, though it still sounded "gritty" during movement. Notice in the video, that the bolt and carrier was retracted to allow any water to run down the barrel and prior to test firing, a visual inspection was performed to eliminate any danger from a foreign object being in the barrel. After these two safety checks, the test rifle was immediately taken inside to a test firing room and an entire magazine was fired without malfunction.




After the submersion test, the rifle was lightly cleaned with a spray cleaner/lubricant/preservative and compressed air.  One more accuracy test with a fairly inexpensive red dot style optic was the final thing I desired to do with this rifle.  The optic was a Bushnell TRS-25  red dot; it is a slightly older model with a smaller 3 MOA red dot.  As in the previous accuracy tests with iron sights in Part 1, specific time and distance parameters were used for consistency.  The optic was "sighted in" using a military grade laser boresight tool before a round was fired.  Below is an image of the 4 rounds, fired at a distance of 33 yards in under 30 seconds from a seated position with the rifle's handguards resting on a deck railing.  Still under 4cm, and the rifle (now with more than 1300 rounds fired in less than two months) is still going strong.


 
 
 
At the end of the last blog post, we asked, "So, what do these tests prove?"  The intent in all of the tests in Part 1 & 2 was to mimic/replicate extreme conditions of real world use.  If you happen to drop your weapon on the ground (hopefully not over 100 times), are forced to fire a high quantity of rounds without being able to clean the weapon, or it experiences submersion in dirty water (ALWAYS ensure the chamber and bore are clear of any obstruction before loading and firing) your weapon should still work...even if it is a basic, standard AR-15.  The DT Sport Lite did.
 
The DT Sport Lite, the DT Sport, and ALL the rifles in our product line are quality, dependable, and useful tools.  Thanks for reading our blog, if you have any questions about the rifles we manufacture or the AR-15 parts and accessories we offer at www.del-ton.com, please feel free to contact us.
 
 
 
 
 
 


 
 
 
 
 

 

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