Early 1903 NRA Sporter or Sporterized 1903 Forgery ??

[msup13]

I would really appreciate the input and expertise of the forum members to find out exactly what I have here. All my research efforts have hit a wall and lead me to believe its either an early 1903 NRA Sporter that has possibly had some parts changed out over its life or an attempt to piece one together.

Factory Markings:
Serial Number: 1277575 (1927 MFG)
Barrel Date: 4-27 (punchmark in center of flaming bomb)
Star Gauge Marking at 6 o'clock position at end of barrel
Star Gauge Drawing Number: B886 (located on underside of barrel about 6" from receiver side end)
Stock: Circled P on pistol grip style stock
Barrel Band: "U" stamped

Lyman 40 sights appear correct. Hooded front sight I believe was an option for NRA Sporters. Hawkins rubber butt pad I would assume is incorrect and is an aftermarket addition.

The bolt definitely does not look correct for an NRA Sporter, at least by any example I could find, as none had a serrated bolt handle. It does appear to be highly polished, though, and that the serial number was electro penciled on the top of the bolt, which would be correct for early variants of Sporters. The first two digits of the serial engraving has since been worn off. Most of the MFG marking on the top of the bolt handle has worn away, as well. It appears to have been two characters where the first is unreadable but the second looked to have been a "5"

I have set up a google photos folder with some detailed photos of the rifle and above referenced information. Please find the link to the folder below.

I inquired on the CMP forum regarding an SRS hit and unfortunately there was none for this serial number. Let me know if there are any other pictures or info that I can provide to help out.

https://photos.app.goo.gl/LAV2fsCRcwzmvcGY6

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