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SKU: 1005-01-328-5882 Model: 12929081
Inside Surface Treatment
Chromium, qq-c-320, class 2a
Phosphate is not sand blasted or applied to internal surfacesl supplemental oil treatment is applied after painting; paint is heat resistant per mil-std-193, color no. 15200 of fed-std-595, applied to specific external surfaces only; chromium plating is applied only to internal surfaces; no mechanical method for removal of chromium platepermitted; plating will produce a continuaaly diminishing dia. Towards the muzzle, except that from the origin of rifling to within 102 mm. Of the muzzlend; a variation of 0.025 from a continually diminishing dia. Is permissible and 0.013 variation is permissible over the remaining lg. Provided that resultant surfaces remain within densional limits for bore and groove dia.; heat treatment is to heat barrel and piston at 1550-1575 deg. F., oil quench, temper 1 hr. Min. To rockwell hardness rc 28-36; gas ports-holes are located within barrel rifling grooves
Steel, aisi 4150 and steel, aisi 4140
Steel comp 4150 and steel comp 4140
Aisi 4150 assn standard 1st material response and aisi 4140 assn standard 2nd material response
Phosphate manganese and paint
Phosphate, mil-p-16232, type m, class 1 and painted
#1005 - Through 30mm Guns
No precious metal content.
No MSDS. No hazardous material.
Unit of Issue
Factory New (FN), New Material (NE), New Unused Surplus (NS), Overhauled (OH), Serviceable (SV),
Repairable (RP), and AS Removed / Used (AR) material will be accompanied by a Certificate of Conformance,
and any other documents/trace when applicable.
Delivery of IN-STOCK orders ship same-day when order is placed before 2:00 PM EST.
Delivery dates for NON-STOCK items are estimates based on current backlog and are subject to confirmation at the time of order.
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