MilSpec
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Not necesariy, the supporting the foreend with your non-shooting arm provides higer stability, foregrips are primraly used for faster motion for target aacquisations. Most precision rifles dont employ foregrips eitherThat's the wrong way of holding the rifle! There's a fooking pistol grip made for the left hand for stability, but this clown who seems to be checking it out is holding the rifle from below!! Jeeez!
Probably a dumb question, but can anyone explain why exactly is a multi-calibre weapon needed in the first place? Does the range and penetration increase by using certain heavier calibres on the same rifle?
5.56 nato -
pros: Wide distribution, good accuracy and efficacy against non-armored adversaries at 0-500 yards,
cons poor teminal ballistics, and higher bullet sway
7.62 x 39 -
pros: wide distribution, excellent terminal ballistics at 0-250 yards and contrary to popular belief low recoil, same bullet as the 7.62 x 51Nato and 7.62 x 54R for the cartridge.
cons: high bullet drop beyond 300 yards, tumbling effect beyond 450 yards (similar to 7.62 x 51 nato beyond 800 yards), Corrosive berdan primer
6.8 SPC and 6.5 grendel-
Pros: Flat shooting round , good accuracy and terminal ballistics upto 450 yards,
Cons: poor distribution, zero legacy platforms, higher logistic and mfg costs.
7.62 x 51 nato: Pros: Excellent accuracy and terminal ballistics upto 650 yards, wide distribution, non-corosive boxer primer
Cons: High recoil, unsuitable for automatic fire, Weight
7.62 x 54R:
Pros: Excellent accuracy and terminal ballistics upto 700 yards, wide distribution,
Cons: High recoil, unsuitable for automatic fire, Weight, corosive boxer primer
There is no do it all cartridge, thus you need right cartridge for the right job, thus multi-caliber consolidates your multiple needs in a single platform. To me it makes sense as long it is executed correctly