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45K40 · 03-21-2008, 22:54

Air .177,

Round count seems to be immaterial as the hammer pins will break anywhere from 3000 rds and up. Also, the recoil impulse from an air-driven rifle is only about 1/2 the brass-fed one. This says something in itsself. We have taken the Bushmaster hammer pins and put them in a vise and an easy tap with a standard 12 oz ball pien will snap one, whereas a USGI type will not. The BM bolt catch breakage is ridiculous, though; my Armament shop only replaced a bent, worn, or missing USGI bolt catch/pin.
I understand what the govt acceptance tests/stds to become a CAGE contractor as well as supplier are. I also understand shortfalls in QC from time to time, as well as the slacking from stds that all mfrs will do until caught at it. Bushmaster never was or ever will be MILSPEC. The EST 2000 contractor picked Bushmaster wpns because they were lowest bidder. The new Lot VII EST uses Armalite wpns that do not exhibit the weak part syndrome. As good as Colt or FN is, they have their bad days too. Had an out-of-the-wrap FN M4 bbl that would fail bbl straightness gage when the compensator was indexed, but pass when comp was removed.
Some guys I shoot HP with use and swear by their BM match rifles because they haven't had any problems yet. But those same weapons are pampered to and from the rg in nice protective cases and not subjected to field conditions, neglect, or abuse.

Just what I see from my house,

45K40

03-21-2008, 22:54	#8
45K40 Asset Join Date: Mar 2008 Location: The Independent State Posts: 19	Durability Air .177, Round count seems to be immaterial as the hammer pins will break anywhere from 3000 rds and up. Also, the recoil impulse from an air-driven rifle is only about 1/2 the brass-fed one. This says something in itsself. We have taken the Bushmaster hammer pins and put them in a vise and an easy tap with a standard 12 oz ball pien will snap one, whereas a USGI type will not. The BM bolt catch breakage is ridiculous, though; my Armament shop only replaced a bent, worn, or missing USGI bolt catch/pin. I understand what the govt acceptance tests/stds to become a CAGE contractor as well as supplier are. I also understand shortfalls in QC from time to time, as well as the slacking from stds that all mfrs will do until caught at it. Bushmaster never was or ever will be MILSPEC. The EST 2000 contractor picked Bushmaster wpns because they were lowest bidder. The new Lot VII EST uses Armalite wpns that do not exhibit the weak part syndrome. As good as Colt or FN is, they have their bad days too. Had an out-of-the-wrap FN M4 bbl that would fail bbl straightness gage when the compensator was indexed, but pass when comp was removed. Some guys I shoot HP with use and swear by their BM match rifles because they haven't had any problems yet. But those same weapons are pampered to and from the rg in nice protective cases and not subjected to field conditions, neglect, or abuse. Just what I see from my house, 45K40 __________________ Never Say Die!
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