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Silvers, Stanton Hillis
Total Likes: 3
Original Post (Thread Starter)
#619945 09/30/2022 12:54 AM
by Travis S
Travis S
It can't be that easy.

I have a 20ga 26" barrel BSS. I have been looking for a 28" barrel to use with my gun and I ended up finding a complete, less frame parts kit. Almost new - what a shame.

Anyway I put the new 28" barrel on my old frame and it locks up like a vault. No light at the breach faces not even the slightest wiggle.

It can't be that easy.

Is there something that I need to be checking on with the bites, lugs etc?

I do not want to assume it is actually perfect although it looks perfect.

Many thanks
Liked Replies
by Stanton Hillis
Stanton Hillis
Yes. Smoke the barrel hook and the barrel breech faces and carefully put the barrels back on the gun. Remove and check for amount of contact at hook, and on barrel breech faces. There should be a high percentage of surface contact at both places, for longevity in use. If not, the gun will come off face with much less use. 100% contact is virtually impossible but, the more the better. There should also be daylight visible between the barrel flats and the action flats, increasing in distance from the hinge pin towards the action breech. Remember, inspection for light at the barrel breeches should be done with the forend in place. What is the position of the top lever when these barrels are on the gun and the forend is in place?

Occasionally, on more modern guns, barrel swaps will work fine with hardly any fitting. Valmet is an example of a gun make that will often accept another set of barrels almost perfectly. Maybe the BSS is another. I've never tried another set on the two BSSs I've had.

Keeping my fingers crossed for you.
1 member likes this
by Travis S
Travis S
Yes keep yer fingers crossed.

The lever is to right of center but not unusually so.

I am going to be tied up with Hurricane Ian stuff for a while so it may be a few weeks to actually look further.

Many thanks
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by Silvers
Stan pretty much covered it. An additional and important check since the 28" barrel is from a parts kit, is for headspace using a headspace gauge. Too tight is easily/carefully corrected with a piloted shell rim cutter. And although unlikely, excess headspace can also be corrected with the rim cutter by cutting a deep counterbore and soldering in a steel insert, then recutting - but that's all pretty involved for the average gent. Brownells has (or had) 20g rim cutters and inserts. frank
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