Brownell's invented them I think to address an industry problem with barrel thickness as GNR mentioned. But still, if not done with skill you can shoot the chokes right out of the threads.
Truth be told you probably can sneak up on a deal for a whole new barrel with the fixed choke you desire cheaper than having special work done. But it takes some looking to find a good VT barrel under $250. If you want to shoot low brass I think a std. barrel on your magnum frame will work. Look it up. I think one barrel has two ports inside the gas ring and the other has only one. There is a trick there.
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shotgun question
- Brian T, 2024-11-28, 17:01
![[*]](themes/default/images/complete_thread.png "Open whole thread")
- Go with a shotgun choke installer and not a gunsmith - Gary Reeder, 2024-11-29, 10:48
- It typically costs about $125-150 to have that done - WB, 2024-11-28, 20:35
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Briley inc can usually do their thinwalls (nm)
- jthomson, 2024-11-28, 18:44
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I have a 870 with Colonial thin wall chokes
- WB, 2024-11-29, 12:05
- thanks to all for the info!!! (nm) - Brian T, 2024-11-29, 18:39
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I have a 870 with Colonial thin wall chokes
- WB, 2024-11-29, 12:05