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 Best HK21 Scope Mount
akconvert  [Member]
12/17/2011 8:37:04 PM
I want a mount that sits as low as possible and is ROCK SOLID. This gun will be running full auto and I don't want the optic shifting around.

I will be running either a Aimpoint Comp M4 or T1. I could run either.

Who makes the best one?
oldfool  [Member]
12/18/2011 3:53:41 PM
B&T
Harlikwin  [Team Member]
12/19/2011 4:03:23 PM
Originally Posted By oldfool:
B&T


The standard HK21 QD mount works ok as well. Also realize you need a different mount than the standard G3 mounts for a HK21 due to the scope mount tabs on top if you are looking at B&T p-rail type mounts. .
ptoguy2002  [Member]
12/20/2011 1:52:37 PM
Depends on what your 21 has. There are TWO methods of scope mounting on the HK21s, the original type (like a G3), or the later -E / MSG90 type scope mount.

The original 21 (non-swing down) uses the same scope mount as a G3.
Like this:

I don't have a B&T, but I've never heard anything bad about them and don't think you could go wrong.
I've heard good things about the MFI ones too.
All mine have the original HK type claw mount, which has been rock solid for me. Doesn't get the scope low though, so its out for you.
YMMV based on whether your gun is built on an HK receiver or a clone receiver. Some clones have an incorrect scope mount tab size or cut that either makes it too tight or too loose.

If you have an -E gun, or (since a lot of 21s were built with -E upgrades), the -E type of scope tab on the top, you will need the quick release HK type.
Not many options available on this one. Either original HK, or a michaels machines made one.
Harlikwin  [Team Member]
12/22/2011 8:24:43 PM
You can also get a rail on an E gun. its just cut different so it works with the tabs. There is even a Full length rail version that runs the length of the cocking tube, so you can use the current front mounted nvds. IIRC it runs about 5-600.