Occam Defense RST Rear Sight Base

Product Description

Now you can attach an optic to the most solid place on the AK rifle.  If the optic fails, simply remove the optic and use the rear notch as normal.

The RST-SB AKM 17.5MM is machined from a solid heat-treated billet of 4140 steel to Soviet specs. This billet RST is known to be compatible with stamped receiver AKM-47s and AK-74s from Russia, East Germany, Poland, Romania, Hungary, Bulgaria, and Egypt.  Not Compatible with Milled Receivers or guns from Yugoslavia and Serbia.  Not compatible with Polish Tantal.  Bore change required for some 5.56 AKs from Bulgaria.

The RST-MB AK47 18.5MM is machined from a solid heat-treated billet of 4140 steel to Soviet specs. This billet RST is known to be compatible with most milled rifles, slr107r and Century Arms US made rifles. (This does not work with SHARPS BROS receiver.)

If you are unsure which RST you need for your rifle, we recommend watching this video starting at 3:20. This video describes the MERC handguard installation, but the measurement is in the same location.