These are 100% steel! Aluminum loosens as the rifle heats up because it grows at a faster rate. Beware of cheap copies!
AKBOR1 is for the conventional Saiga 7.62x39, 5.45x39 and .223 rifles.
Conventional Saiga Rifles.
It will also fit AKM's, AK47's & AK74's and the slant-cut receiver Saiga-M's, with barrel diameters of 0.667" at the handguard retainer location.
Saiga-M with slant cut receiver, thumbhole stock, small barrel, forward FCG, and small saiga FSB.
AKBORM is for the Saiga-M series rifles with the square receiver, 308ish trigger and front sight block. The barrel measures 0.733" at the handguard retainer location.
Saiga-M with square cut receiver, sporter stock, large barrel, 308 type FCG and FSB.
Installation of these retainers will allow your rifle to accept regular unmodified AK lower handguards and cleaning rods. Use of an AK gas tube (See AKGT1 or AKGT2), will allow you to use an upper handguard. This part allows you to avoid having to press off the front sight block and gas block and not have to cut the locking lever notch in the barrel.
This pic shows the retainer installed. Can be used with AK cleaning rods and AK furniture. Also it's a great way to add U.S. made handguards for one additional compliance part. Install is simple, just tighten the two cap screws after the handguard is on and you are done. There is also a set screw for added bite. The orientation of the upper band to the lower is essential. Look for the I.D. stampings on the front face, they should face forward.