.300 RSAUM
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| .300 RSAUM | |||||||||
.jpg) Cartridge with JSP bullet | |||||||||
| Game information | |||||||||
| All information listed assumes Standard FMJ (Reg/SP/FMJ) | |||||||||
| Category | (R)ifle caliber | ||||||||
| Recoil level | 4 | ||||||||
| Cost per round |  8.00
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| Weight per round (units) | 0.05 | ||||||||
| Quantity (retail box/bulk can) | 20 / 200 | ||||||||
| Damage tables | |||||||||
| Type | LDV | C1 | C2 | A1 | A2 | A3 | A4 | A5 | |
| Bullet | +4 | 172% | 155% | 138% | 112% | 86% | 43% | 13% | |
| Handloading information | |||||||||
| Primer type | Large rifle magnum | ||||||||
| Powder type | Rifle powder | ||||||||
| Projectile type | .308, 150 grain | ||||||||
| Cost per case | 2.35
| ||||||||
| Standard load (SP) | 705 pwdr | ||||||||
| Cold load (-P) | 634 pwdr | ||||||||
| Hot load (+P) | N/A pwdr | ||||||||
| Super load (+P+) | N/A pwdr | ||||||||
| Real world information | |||||||||
| Ref. barrel length (inches) | 20 (AR-10 RSAUM) | ||||||||
| Muzzle velocity | 871 m/s (2857 ft/s) | ||||||||
| Muzzle energy | 3685 Joule (2718 ft-lbf) | ||||||||
| Country of origin |  United States
| ||||||||
| Year | 2001 | ||||||||
.300 RSAUM is a type of ammunition for firearms. It is classified as a (R)ifle caliber.
.300 RSAUM is pronounced three hundred R-S-A-U-M, although it may also be pronounced three hundred Ar-Some.
This caliber may also be known as .300 Remington Short Action Ultra Magnum or .300 Remington SA Ultra Magnum.
Compatibility
Base weapons
This is one of the so-called rare calibers. There are no base weapons chambered in this caliber.
Barrel length groups
The reference barrel length belongs to the group listed in italics.
| Group name | Barrel length range | Damage multiplier |
|---|---|---|
| Subcarbine | Up to 13.5" | 0.8x |
| Carbine | 13.6" - 16.5" | 0.9x |
| Rifle | 16.6" - 22.9" | 1.0x |
| Precision | 23" and up | 1.1x |
Retail information
.300 RSAUM ammunition can be purchased in gun shops and weapon shops in boxes of 20 rounds or bulk cans of 500 rounds.
The following brands and projectile types are available in retail:
| Brand name | Composition | Available projectile types |
|---|---|---|
| Standard | Reg/SP | FMJ (1.0x) Match (3.0x) JHP (1.5x) JSP (1.2x) |
The multipliers listed correspond to the value multipliers to cost of ammunition provided by powder type, pressure level, and projectile type. They are included on this table as a convenience, in order to tell at a glance the cost of a given brand and projectile combination.
Maze Customs
| Availability of .300 RSAUM as a Customs family chambering: | |||||||||||
 1911SS |
 1911DS |
 Blackhawk |
 Redhawk |
 Glock-SF |
 Glock-LF |
 MP5 |
 AR-15 |
 AK |
 AR-10 |
 Rem700 |
 BA |
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