M32 motorway as part of a park and ride facility which would reduce congestion in Bristol. Though the M32 has a small traffic flow, it is one of the most congested motorways in the region as it connects a number of key areas. As well as providing one of the few high-quality routes into the centre of Bristol, it is the only significant link from the M4 to the A4174 Bristol Ring Road. Parts of the M32 are reaching the end of their intended lifespan, leading to reduced speed limits and occasional closures for remedial work. Local residents have criticised the M32,
M4 carbine Marine Corps Infantry Automatic Rifle testing, the Colt IAR displayed a MRBS of CLASS I/II Stoppages of 952 rounds, with a MRBEFF of Class III Stoppages of 60,000 rounds. An array of firearms accessory makers have offered gas piston conversion kits for the M4. The claimed benefits include less needed lubrication for the bolt carrier group to run reliably and reduced fouling. The argument against it is increased weight and reduced accuracy. The Enhanced M4 uses an articulating link piston operating system. Complicating the Army search for higher reliability in the M4 is a number of observations of M4 gas