B2 Chrome barrel accuracy

[Peter Laidler]

We had this 'chrome is best' palava with the 3 variants of 7.62mm Bren barrel and the papers relating to the trials were must reading on the relevant courses at Shrivenham. It was established beyond any doubt that chrome barrels are really for longevity. And that's the reason why the single barrel A4 version has just one barrel. The heat sink value and accuracy remained the same as the previous barrels (it didn't quite, depending on how the mixed results were interpreted, but it was minor blip.....) but the single chrome lined barrel - PROVIDED IT WAS CORRECTLY CHROMED to the Delloro spec - lasted as long as the 2x previous chrome chamber spec barrels.

We did encounter chrome lifting at the leeds (but for an allowable distance was permitted as I recall....) but they didn't give any trouble. Neither the L4 nor the L7/GPMG barrels were chromed at Enfield, but at a place in Swindon