0000387: SR-25 Accuracy is horrible

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Date Submitted

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0000387

USAF

[All Projects] General

public

2015-03-05 03:45

2015-03-05 17:02

Reporter

DrBackJack

Assigned To

reyhard

Priority

normal

Severity

tweak

Reproducibility

always

Status

resolved

Resolution

fixed

Platform

OS Version

Product Version

Target Version

Fixed in Version

0.3.7

Summary

0000387: SR-25 Accuracy is horrible

Description

The accuracy of the SR-25 really needs improving. In rhsusf_c_weapons the dispersion of the SR-25 is 0.00087 radians which converts to 2.99 minute of angle. Not only is that unacceptable for a sniper rifle, it's unrealistic. The KAC SR-25 is the Bugatti Veyron of the firearms world. Some of the most accurate semi-auto rifles ever made.

According to MIL-PRF-32316 (AR) w/AMENDMENT 1, 5 October 2009 (Taken from Wikipedia):"3.4.1.1.1 Accuracy. The distance between the mean point of impact of each shot group, both unsuppressed and suppressed, shall be not greater than 1.1 inches at 300 feet." (That's for the M110 which is very similar to the SR-25. Basically the same rifle except for a different stock, quad-rail and flash hider.) Anyways, 1.1 inch at 300 feet translates into 1.1517 MOA which equals 0.00033 radians.

However, that's the worst case scenario. Most of the time it would be less than 1 MOA.

Additional Information

Radian to MOA http://www.traditionaloven.com/tutorials/angle/convert-radian-angle-unit-to-arcminute-angle-unit.html [^]

MOA to Radian (Make sure you set "precision" to 9) http://www.traditionaloven.com/tutorials/angle/convert-arcminute-angle-unit-to-radian-angle-unit.html [^]

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Arma 3 version

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Notes
(0000933) MistyRonin (administrator) 2015-03-05 15:05	The SR-25 is a last moment addition, and heavy W.I.P.

(0000934) reyhard (administrator) 2015-03-05 17:02	reduced dispersion to 0.7 MOA

Issue History
Date Modified	Username	Field	Change
2015-03-05 03:45	DrBackJack	New Issue
2015-03-05 15:05	MistyRonin	Note Added: 0000933
2015-03-05 17:02	reyhard	Note Added: 0000934
2015-03-05 17:02	reyhard	Status	new => resolved
2015-03-05 17:02	reyhard	Fixed in Version	=> 0.3.7
2015-03-05 17:02	reyhard	Resolution	open => fixed
2015-03-05 17:02	reyhard	Assigned To	=> reyhard