Posted November 12, 2018 2:05 pm by Comments

By John Farnam

Superlative Arms .625" Adjustable Gas Block

Opinion

Ft Collins, CO –-(

Superlative Arms .625″ Adjustable Gas Block

Over-gassed rifles will generate more felt recoil than rifles that are correctly gassed. Probably a moot point with those chambered for 5.56×45, but sometimes a significant issue with those chambered for 7.62×51.

Over-gassed rifles will experience more wear-and-tear/parts-breakage than correctly-gassed rifles.

Most significantly, over-gassed rifles will often have bolt movement so violent that the magazine cannot push-up the next round fast enough to be fed into the chamber usually. The result is that the cycle of operation yields a chamber full of thin air, or with the bolt “over-riding” the next cartridge and stopping with lugs dug into the middle of the top of the brass case.

Of course, bolt velocity can be adjusted via heaver or lighter recoil springs as well as via gas-adjustment. In fact, with non-gas-adjustable M4s, changing recoil springs/buffers is about the only way to address the preceding symptoms.

The point of all this is that a reliable, serious rifle, one you want with you during exciting times, is neither over, nor under-gassed. Via gas-adjustment, or via correct selection of the recoil spring, it runs reliably through all kinds of circumstances, with different brands …Read the Rest

Source:: AmmoLand

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