Soldiers Want a Bigger Bang

Nearly 80 percent of Soldiers said in a recent survey they are satisfied with their weapons, though almost half recommended a replacement for the standard-issued M9 pistol or ammunition with more stopping power.

Additionally, nearly 30 percent of Soldiers in the December 2006 survey, conducted on behalf of the Army by the Center for Naval Analyses, said the M4 carbine should be replaced or more deadly ammunition fielded.

Soldiers who attach accessories to their weapons experienced a disproportionate number of malfunctions, with M249 users nine times more likely to experience a stoppage "if accessories were attached via zip cord, four times more likely if attached with duct tape and three times more likely if attached with dummy cords or rails."

"Accessory attachments had a significant impact on reported stoppages," the report said. "Those who attached accessories to their weapon were more likely to experience stoppages, regardless of how the accessories were attached."

....Att vapentillbehör monterade med helikoptersnöre, kattstrypare eller silvertejp kan vara ett problem om de fastnar i manöverytor, utkastarhål eller magasin, ja, det försår jag. Men hur och varför vapentillbehör monterade på räls skall orsaka eldavbrott, det förstår jag inte.

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Originally posted by DocGKR:
NL refers to neck length—the penetration depth prior to initial projectile upset (yaw, fragmentation, deformation, etc…). The JSWB-IPT identified two issues that significantly alter projectile NL at CQB distances, thus causing differing terminal effects.

First, Angle-of-Attack (AOA) variability at impact can substantially wound severity; this factor is more prevalent with certain calibers and projectile types. Testing demonstrated that 5.56 mm is highly susceptible to AOA variations, particularly when using FMJ projectiles such as M193 & M855. For example, with 5.56 mm FMJ, at higher AOA’s, for example 2-3 degrees, bullets had a shorter neck length (NL) and upset rapidly, thus providing adequate terminal effects; at low AOA, like 0-1 degree, the projectiles penetrated deeper than ideal prior to initial upset (ie. long NL) with significantly reduced terminal effects. Note that other calibers were less susceptible to AOA variations than 5.56 mm and OTM’s tend to have less AOA issues than FMJ. The 6.8 mm has proved to have the least AOA inconsistencies of any caliber tested to date.

Fleet Yaw is the other significant yaw issue discovered by the JSWB-IPT. Fleet Yaw is the terminal performance variation caused by inherent variability in each rifle. 5.56 mm FMJ had the most Fleet Yaw induced variability of any projectile caliber & type. 6.8 mm had the least Fleet Yaw variations of any projectile caliber & type tested.

What this means is that two shooters firing the same lot of M855 from their M4’s with identical shot placement can have dramatically different terminal performance results: one shooter states that his M855 is working great and is effective at dropping bad guys, while the other complains his opponent is not being incapacitated because M855 is zipping right through the target without upsetting. Both shooters are telling the truth…

Att vapentillbehör monterade med helikoptersnöre, kattstrypare eller silvertejp kan vara ett problem om de fastnar i manöverytor, utkastarhål eller magasin, ja, det försår jag. Men hur och varför vapentillbehör monterade på räls skall orsaka eldavbrott, det förstår jag inte.

Dåligt ställd fråga?
Statistiska tolkningar?
Klämd mekanism med för tunga tillbehör?
Någon med befästa/dokumenterade erfarenheter som varit med om något liknande?