The 171 is a CBC. They are physically distinct from the Anschutz rifles. It is a Remake of the Rem 511 and was also sold as the Rem 525
The 300/470 is the Marochi SM64. This was confirmed by Marochi. It is interesting to note that the proof marks are Anschutz. I have an early 300 that has Anschutz, Morochi and CIL names on the receiver. Anschutz/Morochi on the right side and CIL on the left side.
The 300 seems to have had a problem with cracking at the back of the reciever though I have several that are fine. My "guess" is that putting the bolt spring back into these rifles requires a little finesse and attention to detail in order to ensure that it is correctly aligned prior to firing the first shot. If NOT correctly aligned I can see it failing in a heart beat. The 470 came in two basic variants "Non-vented" and "vented" receivers. All vented seem to have deflector shields as original but it's not true for the non-vented. Some non-vented had deflector shields (tapped holes will be present even if the shield is not) and some non-vented do not have the tapped hole for the shield. There are also variations in the way the firing pin is retained between the 470 models. Some are screwed and some are pinned.
There are also a bunch of 470's around that have CIL stamped barrels without having CIL branded receivers and as such do not "show" as a 470. I'm assuming it was a "clear them out" deal as it is highly unlikely that one person could end up with three of them unless they were an "as sold" item. I guess it's possible that someone purchased a 520 Anschutz receiver (or received one as a warranty item) to replace a broken 300/470 receiver. Cat in the hat has reported that he saw CIL rifles without model numbers delivered to the dealer so these might be them.
The single biggest problem that I have encountered with the 300/470 is that the firing pin gets fouled in the bolt and it requires disassembly and some energetic cleaning of the firing pin bore to get it smooth again. The indicator that this is probably required is misfire.
The second most common problem is a very lightly bent firing pin end that hangs it up. I've straightened a couple carefully and they have all put out hundreds of rounds after with no problem.
The 300/470 is the Marochi SM64. This was confirmed by Marochi. It is interesting to note that the proof marks are Anschutz. I have an early 300 that has Anschutz, Morochi and CIL names on the receiver. Anschutz/Morochi on the right side and CIL on the left side.
The 300 seems to have had a problem with cracking at the back of the reciever though I have several that are fine. My "guess" is that putting the bolt spring back into these rifles requires a little finesse and attention to detail in order to ensure that it is correctly aligned prior to firing the first shot. If NOT correctly aligned I can see it failing in a heart beat. The 470 came in two basic variants "Non-vented" and "vented" receivers. All vented seem to have deflector shields as original but it's not true for the non-vented. Some non-vented had deflector shields (tapped holes will be present even if the shield is not) and some non-vented do not have the tapped hole for the shield. There are also variations in the way the firing pin is retained between the 470 models. Some are screwed and some are pinned.
There are also a bunch of 470's around that have CIL stamped barrels without having CIL branded receivers and as such do not "show" as a 470. I'm assuming it was a "clear them out" deal as it is highly unlikely that one person could end up with three of them unless they were an "as sold" item. I guess it's possible that someone purchased a 520 Anschutz receiver (or received one as a warranty item) to replace a broken 300/470 receiver. Cat in the hat has reported that he saw CIL rifles without model numbers delivered to the dealer so these might be them.
The single biggest problem that I have encountered with the 300/470 is that the firing pin gets fouled in the bolt and it requires disassembly and some energetic cleaning of the firing pin bore to get it smooth again. The indicator that this is probably required is misfire.
The second most common problem is a very lightly bent firing pin end that hangs it up. I've straightened a couple carefully and they have all put out hundreds of rounds after with no problem.
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