Parker-Hale Model 10 Sport Target Backsight – BSA 1909 Model D Gun Components This Ventometer is engraved with

This Ventometer is engraved with "Parker's Combination

The subdued finish was practical for operational environments where shiny brass was unsuitable

Its historical importance lies in its association with the Russo-Japanese War and early 20th-century Japanese military expansion

It features six fixed magazine pouches (each capable of holding two R4/R5 magazines)

Parker Hale PH 5c aperture peep sight for No 4 MK 1/2 303 x 2

Parker-Hale Model 10 Sport Target Backsight – BSA 1909 Model D Gun Components This Ventometer is engraved withPrecision made Parker Hale Model 10 Sport aperture backsight, designed for fine target shooting adjustments. This particular example is mounted for the Birmingham Small Arms (BSA) Model D rifle, manufactured circa 1909, a period when competitive marksmanship was both a military skill and a civilian sport. Featuring a micrometer windage and elevation adjustment, the sight allowed for exceptional accuracy on the range. A quality piece of early 20th