Mount (M1-B) installed on a Romanian SAR-2 rifle with forend removed to show
shims. This shim set is NOT required for Chinese, Russian, Polish or Bulgarian
AK barrels in either 5.56 (.223) or 5.45 mm calibers, as they already have the
requisite .678" to .710" barrel diameter at the clamping position.
The Romanian small bore barrels need the shims to bring their outside diameter
of approximately .600" at the clamping position, up to the standard
diameter of approximately .700". Romanian AKs in 7.62 x 39 do NOT need the
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