Articles
2 Bushy gas piston rifles, and 4 M-4s, 35,000 rds.
http://www.policemag.com/Articles/2007/11/Bushmaster-Gas-Piston-Rifle.aspx
H&K416 Vrs LMT MRP gas piston rifle.
http://www.defensereview.com/lmt-mrp-pistonop-rod-system-vs-hk416-2000-round-head-to-head-test/
Videos
Next, water testing, LWRC, H&K416, Bushy/Remmington/Magpul ACR.
LRWC water test.
http://www.youtube.com/watch?v=JMZX5WO1uSk
H&K416 water test
http://www.youtube.com/watch?v=AGwkHktkTxU
Bushmaster/Remington, Magpul ACR submersion test.
http://www.youtube.com/watch?v=7rWvCc77wvk
These were not cut and or fixed to favor one rifle or another.
2 Bushy gas piston rifles, and 4 M-4s, 35,000 rds.
http://www.policemag.com/Articles/2007/11/Bushmaster-Gas-Piston-Rifle.aspx
H&K416 Vrs LMT MRP gas piston rifle.
http://www.defensereview.com/lmt-mrp-pistonop-rod-system-vs-hk416-2000-round-head-to-head-test/
Videos
Next, water testing, LWRC, H&K416, Bushy/Remmington/Magpul ACR.
LRWC water test.
http://www.youtube.com/watch?v=JMZX5WO1uSk
H&K416 water test
http://www.youtube.com/watch?v=AGwkHktkTxU
Bushmaster/Remington, Magpul ACR submersion test.
http://www.youtube.com/watch?v=7rWvCc77wvk
These were not cut and or fixed to favor one rifle or another.