Wont fully load first round

[schjims]

This is a crazy one..full mag, bolt all the way back, let her go,will strip a round..but not fully close..after I push the carrier closed and fire the gun..no problrm..cycles fine.next clip ok also..it seems when the gun is cold this happens..and when warm fine..just my observation..not sure it has anything to do with it

[Mosin Guy]

Is this a new build,was it refinished,there could be binding of the bolt carrier to the bolt rails,does your brass cases have scraches on the cases after you have cycled them through your action,if so you need to polish the feed rails in your reciever,look from the bottom of your mag well and you can see the area that needs to be deburred,its were your mag fits up at the top of your mag well through the bottom.HTH

[W.E.G.]

On this first-round drill, are you slingshotting the bolt, or just tripping the bolt release?

[Sean]

Hello,

The above posts are valid and very good info. Here is some more info from personal experience. While testing a FAL build I did, I had the same problem that you did. After racking my brain for a bit, I took it apart and cleaned it again. Then I noticed that there was some dried Cosmoline, grease, or gunk in the recoil tube thereby impeding the return plunger and spring a tiny bit. Once I cleaned this out, she ran like a charm.

Another instance that was similar. Same situation. Something was slowing the bolt down. It turned out to be an extremely thin layer of dried Cosmoline on the underside of the bolt carrier. I had cleaned this bolt with a cleaner and it did not look like there was anything there but there was. The only way I found that one was while investigating if there were any burrs or high spots, I ran a scalpel blade over that surface. As a result, I then noticed the dried stuff as it scraped off. Tough stuff.

Moral of this long-winded blurb = clean the snot out of you kits. Every lil' spot. These are machines after all and one small thing can go a long way.

Respectfully,

Sean

[Corkscrew]

I had the same problem that you describe on a build I put together a couple of months ago. First round will chamber but the bolt will not close all the way. All other shots are fine. The problem with my build way that the bolt was striking the receiver and slowing down its progress. I did a little grinding on the receiver at the contact point and slowly it started to work. I really haven't put alot of rounds through the rifle but everytime I shoot it is works better and better. Look for shiny metal on the receiver and the bolt and see if there is any evidence of contact. The only reason I can think of for this happening on the first round is that when you let the bolt/carrier ride home, there is some resistance from your finger and that coupled with the contact of the bolt to the receiver is enough to slow things down. Gary makes a good point about asking if this happens when you use the bolt release or only when you sling-shot the bolt? My rifle would always jam if I sling-shot bolt and would only jam sometimes if I used the release. Good luck!!

[ratas calientes]

Is it an Entreprise "file to fit" receiver :eek: ?
(Sorry folks, I had to ask! :biggrin: )

Ratas

[ratas calientes]

Excellent thread on Failure to Feed from a full magazine:

Failure to Feed, Shaving Brass, etc.: (http://www.falfiles.com/forums/showthread.php?s=&threadid=17444&highlight=ratas+profile)

Ratas

[schjims]

Its when I release from the bolt release..also this is a Para model and a Imbel reciver..Ive built 3 Stg-58 and all ran fine..a little tweeking here and there..but this is weird..ive changed mags..same thing..its the fist round..when the rifle warms..let go the bolt release..perfect..right to home..

[schjims]

oh..I forgot..you know how FALs leave brass marks on the side..well let me tell you..the brass looks SMEARED on the side..may have nothing to do with the first round loading..but is different from my STGs..I have fired probley 250 rounds thru this firearm...kicks the brass about 5 or 6 feet..running at 5 on the gas. Not bad recoil..even with the Para stock..may look cool but IMHO not comfey on the sholder..!