Hi can any one tell me what thread size and pitch the screws on a rock island 1911 are cheers joe
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Hi can any one tell me what thread size and pitch the screws on a rock island 1911 are cheers joe
https://www.1911forum.com/threads/19...w-size.191781/
https://www.brownells.com/aspx/searc...1971_f2c6b2b01
Bushings - .236"-60. Use 7⁄32" tap drill for bushing. Stainless Steel (S/S) - .150"-50 thread.
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| BP | Bronze Point | IMR | Improved Military Rifle | PTD | Pointed |
| BR | Bench Rest | M | Magnum | RN | Round Nose |
| BT | Boat Tail | PL | Power-Lokt | SP | Soft Point |
| C | Compressed Charge | PR | Primer | SPCL | Soft Point "Core-Lokt" |
| HP | Hollow Point | PSPCL | Pointed Soft Point "Core Lokt" | C.O.L. | Cartridge Overall Length |
| PSP | Pointed Soft Point | Spz | Spitzer Point | SBT | Spitzer Boat Tail |
| LRN | Lead Round Nose | LWC | Lead Wad Cutter | LSWC | Lead Semi Wad Cutter |
| GC | Gas Check |
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