Description
37117-1BK2 / 37230-1BK2
ARRESTING PERFORMANCE
Lithgow Arms designed muzzle brake with three horizontal ports fitted from the factory drops felt recoil to negligible levels
How do I Identify the muzzle thread on my rifle?
Please refer to the following diagram and check what muzzle threads were used on the calibre rifle you have.
If you have the muzzle thread cap, check to see what grooves you have on the outside of the cap and then compare to the pictures below.
If you no longer have your muzzle thread cap, check what the muzzle thread as in the table below.
Rifle Model Calibres Thread form Simplest method to Identify thread
LA101 All ½” x 20 UNF Count number of peaks – for the 8mm of thread-
should be approx. 6 peaks
All ½” x 28 UNEF Count number of peaks – for the 8mm of thread-
should be approx. 8 peaks
LA102 223R M14 x 1 Check diameter of threaded portion – for M14
should be 14mm
½” x 28 UNEF Check diameter of threaded portion – for ½” x 28
UNEF, should be approx. 12.6mm
243, 6.5mm CM, 308W M14 x 1 Check diameter of threaded portion – for M14
should be 14mm
5/8” x 24 UNEF Check diameter of threaded portion – for 5/8” x 24
UNEF should be approx. 15.6mm
LA105 All 5/8” x 24 UNEF
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