Just as an FYI about IMR-4475 by DuPont. That was the powder that the original AR-15/M-16 was designed around. It is a very fast burning and clean burning powder and the first M-16's went to the...
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Type: Posts; User: twisted1in66
Forum: Factory & Surplus Powder
Just as an FYI about IMR-4475 by DuPont. That was the powder that the original AR-15/M-16 was designed around. It is a very fast burning and clean burning powder and the first M-16's went to the...
| 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 |