65 Receiver Set with Polymer mags from PF (HOPEFULLY)

[cory]

What advantage is served? Picking up 100 FPS, 200 FPS? Why would I go to the expense of adding another Grendel, for which I would have to load different than my current rifles, (when I am VERY satisfied with them!) to pick up such a minimal advantage?

You can't make the Grendel a .260 or 6.5 Creedmoor, there simply isn't enough boilerroom. We already can load bullets that are at max weight for the powder capacity, adding the ability to load a little longer gains us minimal improvement for the expense.

The 6.8 made sense, because they couldn't load a decent BC projectile in longer than Grendel case. We can. And we already have rifles capable of larger cases if we want to load longer bullets. Go to DPMS and get them to run 6.5 Creedmoor in their new .308 platform. Essentially the same weight as most AR15's, but lots more room for powder in that case.

For one the 260 only beats the Grendel by 200-300 fps. Picking up 100+ fps isn't exactly trivial. However, you're correct you can not make the Grendel a .260 or anything of the like. What you can do is increase the options available.

Would a longer mag not allow for loading the Barnes 120gr TTSX longer allowing for NEEDED powder, or allow for loading the Barnes 127gr LRX???

How could having a reliable PMAG for the Grendel not be a GOOD thing??? The E Landers are great, but will still rattle sometimes when at full capacity. The fact is the AR15 magwell is to narrow for the Grendel to stack appropriately.

Stanc I share your concerns withe 68 Pmag, but if it could be demonstrated to work I'm open to it.

The SAAMI Grendel Chamber at max tolerances doesn't allow for you to load 0.020" off the lands, that's desired for optimal accuracy. A longer mag would fix that.

As I've said in other threads like this one. A receiver set like this would allow for a 7mm Assault Rifle type cartridge to be brought to market. That'd be very interesting.

After the Saudi contract and the Elander mag, something tells me that it's feasible that Israel could pick up the Grendel. I think it's more likely that they'd do it in the right bull pup, but a modified AR platform could certainly make it more feasible.

If PF does this and it's not to heavy, I'll be switching all of my Grendels over.