As best we can tell, the 550-1 came about in 1946, the 550-1 uses a different extractor than the 550A, along with some other small changes. Regardless, the 550 series was a wood-stocked . 22 long rifle that fed from a tube magazine. Remington made large quantities of them until 1971 when production ceased.

How many rounds does a Remington 7400 hold?

Expect that with this mag and the Remington 7400. 10 shots in one: Each clip holds 10 rounds that you don’t have to use in one set. You can use three while still having seven before you need to check your gun.

Does Remington still make 7400?

The 7400 was replaced by the 750, which lasted until 2015. The line is dead now—its niche having been filled by the AR-style R10, which makes up for in reliability what it gives away to the older semiautos in looks.