FPS Chart for Airsoft Guns. This means that if your airsoft gun is shooting 380 FPS with a.20g BB and you switch to a.25g BB your gun will be shooting 340 FPS. There's a big difference in FPS but the kinetic energy it carries on flight will be the same, 1.34 Joules, regardless of what BB weight you use.
What weight BB for FPS? What weight BB should I use? What weight BB for sniper?
All those questions and more answered in this video. Get DesertFox T-Shirts, Patches and Stickers! - Facebook - Instagram - Youtube - Twitter - Get my gear - Keep up to date on Evike.com deals and products: DesertFox Airsoft is an Airsoft Youtube channel dedicated to promoting the safe, fun and unique game of airsoft. Airsoft is a military simulation sport where players participate in mock battles with replica guns and use military type tactics.
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Unlike paintball, airsoft uses 6mm round BBs made of hard plastic.
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Never let the muzzle cover anything you are not willing to destroy. Keep your finger off the trigger until your sights are on the target. Be sure of your target and what is beyond it. If something is broken or wrong. I've got a Classic Army M4 RIS with a Maddog M115 spring, 6.03mm inner barrel and a Maple Leaf Flat Hop bucking and nub.
I'm shooting around 350FPS with 0.25s or about 1.4J. I was thinking of up-ing my BB weight to 0.28 or.32 (I use Elite Force Bios) to try to get more granularity in my hop to find the sweet-spot flat trajectory. I want to be able to hit a torso sized target at 150ft consistently for the big outdoor milsim op I'm attending this weekend. Does anyone have a comparable build and/or would like to share their sage-like wisdom and experience? Expanding this out to a general question: If heavier ammo holds momentum for a longer period of time and allows you to put more hop on your BB ultimately increasing your range in return for a slower projectile, how heavy is too heavy for a given gun?
Obviously you are limited by the amount of energy your system can impart on the BB be it spring, gas or HPA. Perhaps the better question is how slow is too slow before your BB flies so slowly that it becomes ineffective?
Is there even such a point? Should I care if my 0.4g BB flies at 270 FPS if I can float it out to semi-consistently 200ft (hypothetically). Or should I strive for some perfect balance between speed and effective range? Tl;DR How heavy should I go on ammo on my flat-hopped M4 if I'm looking for range?
I would highly recommend.28s,.3s, or.32s. You can buy sample packs off of justairsoftammo.com to figure out what weight works best for you instead of buying 3000 of one weight. As for the momentum, range, fps issue, take a look at these graphs: I think the second to last graph is the most interesting.
From the chart, you can see that just after about 90ft, a.25g bb will reach its target faster than a.2g, and a.3g even faster.25 and.3g bbs are also able to maintain their fps much longer than a.2 after about 45ft (graph 4). So even if the.2g bb's have a higher initial velocity, heavier bb's will actually have a higher velocity when it hits a target beyond 45-50ft than a.2. Check out the other graphs and then test some bbs!
I use.28's in my ICS CXP APE which is for the most part stock and it's working great. My gun is shooting around 380fps with.2g. There was a noticeable difference when I went from.25 to.28. Currently getting to r-hop my zci barrel and flat hop my prommy bucking.