Hey guys. I've got an 18" barreled AR set up with a TA31F 4x32 ACOG, a Magpul MOE Fixed rifle length stock, and a Magpul VFG, in sort of a pseudo-M16A4 set up.
I'd like to change it to an SPR configuration. This will include swapping out the fixed rifle length stock for the new Magpul FCS (Fixed Carbine Stock), replacing the VFG with an AFG to allow for a more traditional rifle hold that still offers a supported grip, installing my Harris bipod as far forward on the 6:00 rail as I can, upgrading the trigger to a Geissele SSA-E.
Of course, the ACOG is going to be switched out for a variable powered scope. I've narrowed it down to the two in the thread title: the Leupold Mark 6 1-6x20mm, or the Leupold Mark 8 1.1-8x24mm CQBSS.
Regarding the Mark 6, I've got questions about its 5.56 BDC CMR-W reticle:
1.) If the centered dot is meant to be zeroed at 50m, presumably, it would double for a 200m aiming point. The top of the Y axis in the reticle serves as the 300m BDC hold. Where is one supposed to hold for a 100m shot? Does one simpley hold the dot slightly above the intended point of impact? It's probably something stupid obvious/easy math like the 50/200m detail and I'm just missing it, but I can't see how one is meant to aim for 100m shots with how the reticle is presented.
2.) Seeing that the reticle is tuned for 62gr 5.56, how would it perform when using 75 or 77gr match type ammo? Personally, I'm a fan of BDC reticles, but I'm not sure how the hold compensations would change between each different ammo type being used with the same reticle. Would heavier ammo throw the whole reticle off, or would the differences in POA/POI be marginal/of little concern?
Regarding the Mark 8 and the M-TMR reticle:
Granted that this scope and the M-TMR reticle is meant (by the USMC at least) to be used with the M2 .50 and Mk19 Grenade Launcher, how well does it perform in regards to precision shooting? Is it in that case an improved TMR reticle what with its ranging features and BDC dials?
Like I said, these are the two I've narrowed it down to after extensive research of all available options. Any help in regards is appreciated.
I'd like to change it to an SPR configuration. This will include swapping out the fixed rifle length stock for the new Magpul FCS (Fixed Carbine Stock), replacing the VFG with an AFG to allow for a more traditional rifle hold that still offers a supported grip, installing my Harris bipod as far forward on the 6:00 rail as I can, upgrading the trigger to a Geissele SSA-E.
Of course, the ACOG is going to be switched out for a variable powered scope. I've narrowed it down to the two in the thread title: the Leupold Mark 6 1-6x20mm, or the Leupold Mark 8 1.1-8x24mm CQBSS.
Regarding the Mark 6, I've got questions about its 5.56 BDC CMR-W reticle:
1.) If the centered dot is meant to be zeroed at 50m, presumably, it would double for a 200m aiming point. The top of the Y axis in the reticle serves as the 300m BDC hold. Where is one supposed to hold for a 100m shot? Does one simpley hold the dot slightly above the intended point of impact? It's probably something stupid obvious/easy math like the 50/200m detail and I'm just missing it, but I can't see how one is meant to aim for 100m shots with how the reticle is presented.
2.) Seeing that the reticle is tuned for 62gr 5.56, how would it perform when using 75 or 77gr match type ammo? Personally, I'm a fan of BDC reticles, but I'm not sure how the hold compensations would change between each different ammo type being used with the same reticle. Would heavier ammo throw the whole reticle off, or would the differences in POA/POI be marginal/of little concern?
Regarding the Mark 8 and the M-TMR reticle:
Granted that this scope and the M-TMR reticle is meant (by the USMC at least) to be used with the M2 .50 and Mk19 Grenade Launcher, how well does it perform in regards to precision shooting? Is it in that case an improved TMR reticle what with its ranging features and BDC dials?
Like I said, these are the two I've narrowed it down to after extensive research of all available options. Any help in regards is appreciated.