compatibility

Hello all, I am using an Aero M5 lower and upper receiver along with extended M5 pivot pin to avoid the recess. What other brands work with the M5 lower? I am a KAC diva and would like to use their LPK and any other parts I can (minus pivot pin). But don't wanna drop the coin on any KAC stuff to...

Does anyone know if Remington 597 mags will fit a 504? I have a 504, but some mags with a higher capacity than 6 would be nice!! The mags look similar in pics, but need to know from someone who has tried before I import some mags.

so what are some bases that the seekins rings work well with? will they fit the us optics base? I have a PRI base that seems to be just a bit too wide for them. Any recommendations? looking at 0 MOA bases. thanks

The SureFire adaptors that thread onto your barrel come in different thread sizes for the 5.56 and 7.62. Question, will the suppressor fit on both adaptors ? I'm talking about the standard 5.56 and semi-auto 7.62 units . In other words, is the can set up to utilize the same locking system on...

Can I use a Surefire 762SS .308 can on a 556 Surefire suppressor adapter? I don't want to have to turn the barrel down to accept a .308 adapter and use the 308 can on an SPR. Core