Talk:Barrett XM109

Ammo type
I don't believe that the XM25/XM29 uses the 25x59mm. It would be too easy to mix up the low velocity ammo for the XM25/XM29 with the high velocity ammo of the XM109 and XM307. The warheads are likely the only items to be shared between the two 25mm ammo types.

Developmental Status
Does anyone have any information regarding whether the XM109 is still in development, or if the project was scrapped? — Preceding unsigned comment added by 24.107.66.184 (talk) 08:44, 26 July 2011 (UTC)
 * Definitely needed. The inconsistent case is irksome, to say nothing of the actual content. 72.200.151.13 (talk) 01:23, 27 February 2014 (UTC)
 * Apparently it's been folded into a broader anti-material rifle program, but nobody seems to know what the hell is going on with it. It hasn't ever been formally cancelled, though. Herr Gruber (talk) 06:03, 17 October 2015 (UTC)

Mistaken citation
Williams, Anthony G. (2008) "New Developments In Grenade Ammunition" Defence Management Journal, Issue 41 (Revised 2010)

This looks like a mistake. I fixed the dead link and checked the article. All it says about this weapon is: A semi-automatic rifle, the XM109 Barrett Payload Rifle, has also been developed to fire this ammunition, but without the air-burst technology. My guess is that there's another article in Williams archive that was the intended citation, but I don't know which. Rezin (talk) 17:44, 29 October 2014 (UTC)


 * Williams has updated the article. It used to mention the XM109, see the old version here. ( Hohum  @ ) 18:03, 29 October 2014 (UTC)
 * Thanks for finding that, but I don't see anything else about the XM109. Here's the text from that link:
 * Two different weapon systems emerged from the US Army's air-burst grenade programme: crew-served (tripod-mounted) and shoulder-fired guns, the contractors being General Dynamics and ATK respectively. The crew-served gun was initially known as the OCSW (Objective Crew-Served Weapon) but this was later changed to ACSW (Advanced) and is now designated the XM307. This is a lightweight belt-fed low-recoil machine gun in a new 25x59B calibre (a semi-automatic rifle, the XM109 Barrett Payload Rifle, has also been developed to fire this ammunition, but without the air-burst technology). The effective range is about 2,000m (the maximum is 3,600m) and compared with the 40mm AGL the trajectory is much flatter due to the muzzle velocity of 425 m/s. At a range of 2,000m, the 25mm grenade has a trajectory with a maximum height of 100m, compared with 400m for the 40mm HV. At 132g, the weight of the grenade is little more than half that of the 40mm, but the enhanced accuracy is said to compensate. In 2007 service introduction was stated to be a few years away and it was intended that the XM307 would replace many of the .50 (12.7mm) M2HB heavy machine guns as well as the 40mm MK 19 AGLs. However, funding for the development of the XM307 (and the 12.7mm/.5" HMG version, the XM312) was stopped in 2007 and the future of this project is now uncertain. This has not, however, deterred ATK from continuing their private-venture development of their LW25 Chain Gun chambered for the same 25x59B round, nor of producing their own range of ammunition, with more pointed noses.
 * It looks like the statistics (range, muzzle velocity) that are listed refer to the XM307, and that the XM109 is just mentioned parenthetically. Rezin (talk) 18:16, 29 October 2014 (UTC)
 * If there's nothing else, I'll delete this source and the material from it, based on mistaken identity. Rezin (talk) 20:07, 9 November 2014 (UTC)

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