screwupman2022

用AR打AK47的7.62x39口徑子彈...的後坐力

https://youtu.be/_zPHac8Vvi4?t=37

screwupman2022

引用:

原帖由 AICSman 於 26-3-2019 01:23 發表
if you want to minimize 後坐力, your trigger hand lightly pull the stock in your shoulder pocket, your other hand grip the handguard and push forward

手槍...握槍手向前推，副手向後拉

增加你的體重 對付後坐力

screwupman2022

引用:

原帖由 jacky2038 於 23-3-2019 10:04 發表
熔解meltdown)

問題兒童問問題：

粗槍管較耐熱...如果一支AR步槍採用幼槍管，會否在持續快射模式中 因升溫而很快便變得失準？

screwupman2022

引用:

原帖由 AICSman 於 27-3-2019 00:18 發表


Yes, the barrel expanded. Each firing pressure have greater different. More Variable = Non consistency.

When your cold AR barrel is 3/4 moa at 100 yards, you rapid fire for 200 around. Your AR ...

元祖時代的AR-15的槍管好幼...叫pencil barrel
現代的AR-15，如Faxon Firearms生產的pencil barrel https://faxonfirearms.com/14-5-p ... id-length-4150-qpq/ 經stress relieved，能否在快射模式中保持更好的準性?...>https://www.thefirearmblog.com/b ... ieved-barrels-test/

screwupman2022

引用:

原帖由 AICSman 於 28-3-2019 01:33 發表


base on the video, it can.

Keep in mind that a typical Combat ar15 required about 2-3moa accuracy at 100 yards when manufactured. an average male shoulder width is about 18". Effective range f ...

元祖代的 Colt SP1 AR-15...其pencil barrel幼槍管 沒經stress relieved...只是快射了一隻30發彈匣，之後彈著點偏移了大約4吋多(100碼遠)，thermal shift of POI咁L西利：https://youtu.be/QTovPt4weIs?t=545