Smlekid Hit it on the head Thats what it is British Army Issue for all manners od Lee Enfield Rifles. Try calling Eric Woods317.784.9051, He and I served our "Queen" for 720 days( it was the Law'back in the '50"s He will know more about the Bit & Pcs. that we had to 'Polish &'Dag up" Rumor has it.....Lawrence of Arabia had one of these 'Highly Polished brass units fitted to his 'Person' for his Tenure in the Tents of the Arab Gentlemen during his forced Stay' in the desert...After his Death in Essex, England, His Brough Superior Motor Cycle was found to have "A Highly Polished,Issue 303 Enfield oil "Tank" in his 'Kit'.....Just Rumors from the Ranks in the 'Mob"....Thats London chat for Army!!So much history from so few of us left! I think Winston Churchill might have thought of that.....Dt/aka Chisles...