Three proof P barrel marks. How common?

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   I've got an early Rock-ola INLAND barrel dated 11-42 1-44 with 3 P marks. One about 6-7 inches from the muzzle, another hidden by the hand guard about 1 inch forward of the swage line and a third in front of the receiver ring facing the other way.

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tenOCEE Members Profile Send Private Message Find Members Posts Add to Buddy List Hard Corps Knows rear sights! Joined: Jan 01 2016 Location: East Tenn Status: Offline Points: 1330	Post Options Post Reply Quote tenOCEE Report Post Thanks(0) Quote Reply Topic: Three proof P barrel marks. How common? Posted: Feb 14 2019 at 11:24am
	I've got an early ~~Rock-ola~~ INLAND barrel dated ~~11-42~~ 1-44 with 3 P marks. One about 6-7 inches from the muzzle, another hidden by the hand guard about 1 inch forward of the swage line and a third in front of the receiver ring facing the other way.

New2brass Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Dan Pinto, Photo Editor Joined: Nov 29 2015 Location: CT Status: Offline Points: 4657	Post Options Post Reply Quote New2brass Report Post Thanks(0) Quote Reply Posted: Feb 14 2019 at 7:38pm
	Are they all the same P?
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tenOCEE Members Profile Send Private Message Find Members Posts Add to Buddy List Hard Corps Knows rear sights! Joined: Jan 01 2016 Location: East Tenn Status: Offline Points: 1330	Post Options Post Reply Quote tenOCEE Report Post Thanks(0) Quote Reply Posted: Feb 14 2019 at 7:55pm
	I rotated the 1st picture to orient the P the same direction. Keep in mind the others are 180 degrees out from it. ----------------------------------------------------MUZZLE \/ THIS WAY ----------------------------------------------------MUZZLE /\ THIS WAY ------------------------------------ MUZZLE /\ THIS WAY ------------------------------------ MUZZLE /\ THIS WAY

New2brass Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Dan Pinto, Photo Editor Joined: Nov 29 2015 Location: CT Status: Offline Points: 4657	Post Options Post Reply Quote New2brass Report Post Thanks(0) Quote Reply Posted: Feb 14 2019 at 8:09pm
	Hmm, inland marked barrels there. Are all e Ps the same size? Does the gas chamber and swage look correct?
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tenOCEE Members Profile Send Private Message Find Members Posts Add to Buddy List Hard Corps Knows rear sights! Joined: Jan 01 2016 Location: East Tenn Status: Offline Points: 1330	Post Options Post Reply Quote tenOCEE Report Post Thanks(0) Quote Reply Posted: Feb 14 2019 at 8:16pm
	Gas cyl and barrel look very healthy and correct. It's an Inland 1-44 date from a 4.7 Quality. The ring P is longer. The other two look the same size (for Quality), though the middle one looks to have a longer leg maybe.

New2brass Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Dan Pinto, Photo Editor Joined: Nov 29 2015 Location: CT Status: Offline Points: 4657	Post Options Post Reply Quote New2brass Report Post Thanks(0) Quote Reply Posted: Feb 14 2019 at 8:28pm
	Read your original post. The turning had me concerned as rockola barrels early on were ground smooth. Inland stamped letters and I think numbers at breech, so not a proof. One P inland, one P qhmc? Should be good to go
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tenOCEE Members Profile Send Private Message Find Members Posts Add to Buddy List Hard Corps Knows rear sights! Joined: Jan 01 2016 Location: East Tenn Status: Offline Points: 1330	Post Options Post Reply Quote tenOCEE Report Post Thanks(0) Quote Reply Posted: Feb 14 2019 at 8:43pm
	Oops, yeah wrong barrel stated. So Inland barrels for Quality would be fairly ordinary to see such markings. Gotcha.

belfire27 Members Profile Send Private Message Find Members Posts Add to Buddy List Recruit Joined: Feb 25 2020 Location: Belchertown, MA Status: Offline Points: 6	Post Options Post Reply Quote belfire27 Report Post Thanks(0) Quote Reply Posted: Apr 01 2020 at 12:50pm
	My 1/44 inland barrel is marked the same.

tenOCEE Members Profile Send Private Message Find Members Posts Add to Buddy List Hard Corps Knows rear sights! Joined: Jan 01 2016 Location: East Tenn Status: Offline Points: 1330	Post Options Post Reply Quote tenOCEE Report Post Thanks(0) Quote Reply Posted: Apr 01 2020 at 12:54pm
	What was your barrel on? It's not so uncommon I guess. I've found another since then in my stuff. The rear P being the Inland marking and the other two being proof marks. I think the last one found was on a 4.8 mil QHMC.
	My sig: Seen an IP or S'G'? Add it to my registry. We'll check consecutives. https://grandrapids.wufoo.com/forms/zzlnt0519k86xs/

New2brass Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Dan Pinto, Photo Editor Joined: Nov 29 2015 Location: CT Status: Offline Points: 4657	Post Options Post Reply Quote New2brass Report Post Thanks(0) Quote Reply Posted: Apr 01 2020 at 11:16pm
	Inland barrels have been observed with markings in that location. CCNL 353-4 Inlands second serial block shows them from 10-43 on and they had letters or numbers.It seems not consecutive to 12-43 CCNL 361-3 Inlands next serial block shows 1-44 barrels as having M, N, or P
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belfire27 Members Profile Send Private Message Find Members Posts Add to Buddy List Recruit Joined: Feb 25 2020 Location: Belchertown, MA Status: Offline Points: 6	Post Options Post Reply Quote belfire27 Report Post Thanks(0) Quote Reply Posted: Apr 04 2020 at 7:23am
	My barrel and receiver were original pairing as far as I can tell. It is an early 3rd block inland (4,97M) and has arsenal stock marks and the bayonet band. Also, it still has the flat bolt but I thought the arsenal put round bolts in?