2022年2月9日 · The KNS Piston works great, but in my opinion its not the best solution in a lot of ways. The KNS allows even more gas than normal through the gas tube in turn into your …

2020年8月21日 · The gas tube is not sealed with the piston so some gas blowby is going to happen almost always. If you want to go through the effort of installing an adjustable block, go …

2020年12月5日 · I have a zastava zpap. I know you can somewhat fix over gassed guns with more powerful recoil springs but I want a KNS adjustable gas piston for it instead (I'd like to …

2020年7月13日 · Nice dude, even without a suppressor the KNS piston is a huge upgrade for any AK.

AKs are typically overgassed for added reliability. Adding a KNS piston, even unsuppressed, would let you tune the gas to tame recoil a little bit. That being said you're potentially …

2018年5月13日 · After installing the KNS piston and closing it off, it began to short stroke. This is because the KNS inherently decreses gas pressure to send the bolt rearward, even with the …

2020年10月28日 · The 1st gen KNS adjustable pistons did have some durability issues, that has been corrected with the current gen. If your rifle is over gassed they will make a noticeable …

2020年11月27日 · KNS piston will naturally reduce gas (even fully closed) when compared to stock. ALG recoil spring is stronger than factory, so it's essentially adding more resistance to …

2019年2月12日 · I contacted KNS directly and "Your weapon should utilize the Arsenal large bore (AGP-A-20L) piston system. However, due to the wide variants in the AK platform, precise …

2020年8月11日 · Been seeing comments asking what KNS piston fits the Zastava Zpap M70. I got mine in today and went with the Arsenal AGP-A20-L (L for large bore) almost exact …