A new monograph written by a US Army Captain is making some waves around the XM-7 Next Generation Squad Weapon-Rifle.The report contains information about observed issues with these guns.It also draws some interesting historical parallels to earlier infantry rifle procurements.XM-7 @ TFB: TFB Review: SIG Sauer MCX-SPEAR 7.62x51 SBR $13 a Shot: US Army's New 7.62mm XM1158 ADVAP Round Costs HOW MUCH!?