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If it's less than 6 ft., remove the buffer. If it's 6-8 ft., keep it in and see if you prefer it. If you're still unsure of whether to use a buffer or not, and your gun came with one, If you use a buffer, ensure your brass extracts 6-8 ft. The CZ thick buffer is fine on a Shadow 2, but not on a SP-01 or other CZ 75 models, even with a lighter recoil spring.Īny increase to your recoil spring weight affects extraction. Too thick a buffer prevents the slide from going all the way back and extracting right. Overall lifetime depends on your loads, but for CZ pistols, thick buffers last around 5-15k rounds, while thin ones lasts 1-2k. If your brass extracts 6-8 ft., you won't have excessive wear on that part. On a CZ 75 or Shadow 2, a buffer reduces wear on the slide stop, but you don't need it.Ī heavier recoil spring gets the job done about the same. This probably won't affect your split times, but you may find shooting more pleasant. It can take some shooting to notice it, but using a buffer is like using a dead blow hammer instead of a normal bare steel hammer - less vibration.
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A generic CZ 75 recoil spring functions at a lower weight in a Shadow 2, because that extra space prevents the spring from compressing all the way. Generic CZ 75 recoil springs are made for a 4.6" space, while the Shadow 2 has a 4.9" space. The buffer pre-loads the spring and also compresses it more when the slide is locked back compared to no buffer, or thinner buffers. How? Think of how it is to load that last round in a magazine, compared to the 2nd last. Some pistols, like the 2011 and CZ 75 series, come with a rubber or vinyl buffer pad.Īdd effective recoil spring weight, depending on thicknessĮffective recoil spring weight increases with buffer pad thickness. More weight in the pistol makes it less comfortable to carry.
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In extreme cases, the slide won't fully travel back, and your pistol will fail to load itself. It's like adding whiplash to your recoil. The slide will return with a snap, causing your sights to dip down after each shot instead of returning to the same spot. spring is strong enough to push 11 lb., etc. spring is strong enough to push 20 lb., an 11 lb. What Makes a Good Recoil Spring? The right spring strength and durability matter most. The right recoil spring prevents jams and improves recoil for faster accurate shots. Recoil springs come in different weights and types. The recoil spring sits inside the slide, underneath the barrel, and is held in place by a guide rod. This process is what reloads the pistol when you fire it.