I think it just depends on the rifle with the Golden Bullets. I've never had any trouble with them in my 15-22. Over the 1 1/2 years I've had the 15-22 the only .22lr ammo I've bought has been Federal bulk 550 and the bulk boxes of Remington Golden bullet, I did buy 1 brick of Centurion ammo when I first bought the rifle but never bought it again only because its a little higher than bulk ammo. I have shot other brands of ammo through it that family and friends have brought to shoot and my 15-22 will shoot any .22lr ammo I feed it.

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