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Posted: 5/15/2023 1:54:40 PM EDT
Anybody pick up one of these ARs from aimsurplus? I found the arms BUIS interesting. I’ve never seen one before. It’s in surprisingly good shape for being a LE trade in. It had a set of skinny single heat shield handguards. I slapped on the new RAS I got from brownells. These are way better than the Remington acquired Bushmasters I hear. I guess these have a commercial buffer tube. I had an extra B5 stock laying around I was going to use but it doesn’t fit.
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Posted: 5/15/2023 2:21:51 PM EDT
[#1]
Hard to tell from the picture but the BUIS looks like an ARMS 40L.
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Posted: 5/15/2023 2:26:24 PM EDT
[#2]
Quote HistoryQuoted: Hard to tell from the picture but the BUIS looks like an ARMS 40L. Definitely is, I’ve never seen one before. Are they any good? |
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Posted: 5/15/2023 2:30:24 PM EDT
[#3]
Quote HistoryQuoted: Definitely is, I’ve never seen one before. Are they any good? Used mine for 5 years without issue. |
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Posted: 5/15/2023 2:44:36 PM EDT
[#4]
Nice looking rig. Just swap out the RE for mil-spec and throw your stock on.
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Posted: 5/15/2023 2:59:44 PM EDT
[#5]
I need to pay attention more, I would have gladly ordered one for myself had I known they were available.
These were the CL 1/9 Windham made, right? A KISS 5 pounder would have been nice to have around as a functional beater, just add an Aimpoint Duty or Pro and done. |
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Posted: 5/15/2023 3:00:59 PM EDT
[#6]
Great looking carbine there...
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Posted: 5/15/2023 4:10:40 PM EDT
[#7]
Quote HistoryQuoted: I need to pay attention more, I would have gladly ordered one for myself had I known they were available. These were the CL 1/9 Windham made, right? A KISS 5 pounder would have been nice to have around as a functional beater, just add an Aimpoint Duty or Pro and done. I put a vortex Sparc on it for now. I zeroed the irons last week the rifle ran good. The barrel is marked B MP 5.56 NATO 1/9. Haven’t cleaned it and a shitty pic not sure it’s chrome lined or not.  Attached File Attached File |
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Posted: 5/16/2023 2:21:52 PM EDT
[#8]
Quote HistoryQuoted: Definitely is, I’ve never seen one before. Are they any good? Quote HistoryQuoted: Quoted: Hard to tell from the picture but the BUIS looks like an ARMS 40L. Definitely is, I’ve never seen one before. Are they any good? If you don't like it, put it on the EE. I'll bet a cloner will pick it up. My LGS had a few of those P&W Bushmasters I while back. |
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Posted: 5/16/2023 2:47:57 PM EDT
[#9]
Quote HistoryQuoted: If you don't like it, put it on the EE. I'll bet a cloner will pick it up. My LGS had a few of those P&W Bushmasters I while back. OP needs to contact me first then, I call dibs 
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Posted: 5/16/2023 3:32:11 PM EDT
[#10]
I used to have a 16" A2 Patrolman's Carbine. It was a fine rifle. I wish I had kept it.
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Posted: 5/16/2023 3:34:12 PM EDT
[#11]
Every Bushmaster bbl stamped B MP that I have seen/owned has been CL'd.
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Posted: 5/16/2023 3:43:23 PM EDT
[#12]
Quote HistoryQuoted: Every Bushmaster bbl stamped B MP that I have seen/owned has been CL'd. Same here. |
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Posted: 5/16/2023 3:54:05 PM EDT
[#13]
As a general rule, all of the Windham Bushmasters I owned were excellent rifles. This was back in the 90s when Colt still had the screw on the forward takedown pin and the odd sized trigger/hammer pins. Colts also (usually) had the block or whatever you called it that severely limited what trigger could be used in it. Not trying to turn this into a debate about Colt. I love Colt ARs, but they used to do some goofy shit back then. I am guessing it was to appease the anti-gunners. I much preferred a Bushmaster back then. But...Someone will read this and be along shortly to tell you what a pice of shit Bushmasters used to be! You did get a good rifle, though.
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Posted: 5/16/2023 9:48:47 PM EDT
[#14]
Barely missed them. Some of my favorites
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Posted: 5/17/2023 12:40:38 AM EDT
[#15]
Quote HistoryQuoted: Definitely is, I’ve never seen one before. Are they any good? They pretty much legitimized folding rear sights and it took many years for anyone to dethrone them as the folding king. I believe it was even the first back up sight to be assigned an NSN and get a contract but my memory is foggy on that. Swap the buffer tube out and throw on a SOPMOD and an old Aimpoint or TA31 and you have a pretty righteous period correct set up going. |
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Posted: 5/17/2023 1:30:29 AM EDT
[#16]
Nice score
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Posted: 5/17/2023 1:49:42 PM EDT
[#17]
Quote HistoryQuoted: They pretty much legitimized folding rear sights and it took many years for anyone to dethrone them as the folding king. I believe it was even the first back up sight to be assigned an NSN and get a contract but my memory is foggy on that. The buis is definitely different in the way it locks down. Then the metal cable running through it, what’s up with that? When I picked the rifle up from my FFL I thought the sight was broken. My short time in the army all I saw were matech buis. |
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Posted: 5/17/2023 2:47:34 PM EDT
[#18]
Quote HistoryQuoted: The buis is definitely different in the way it locks down. Then the metal cable running through it, what’s up with that? When I picked the rifle up from my FFL I thought the sight was broken. My short time in the army all I saw were matech buis. The wire is attached to the mounting nut, helps prevent loss. |
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Posted: 5/17/2023 5:14:25 PM EDT
[#19]
I always thought the old Bushmasters were decent quality. I was with my dad when he bought one of the P&W 14.5's in 1994. If I remember right the muzzle device was known as the Izzy flash hider. He never fired it and I acquired it after he passed away 2 years ago. I still have it and will probably keep it unfired. The barrel is chrome lined on his.
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Posted: 5/17/2023 5:32:30 PM EDT
[#20]
Quote HistoryQuoted: I always thought the old Bushmasters were decent quality. I was with my dad when he bought one of the P&W 14.5's in 1994. If I remember right the muzzle device was known as the Izzy flash hider. He never fired it and I acquired it after he passed away 2 years ago. I still have it and will probably keep it unfired. The barrel is chrome lined on his. Sorry about your Dad. You should post some pics of that rifle. |
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Posted: 5/17/2023 8:01:09 PM EDT
[#21]
Quote HistoryQuoted: I always thought the old Bushmasters were decent quality. I was with my dad when he bought one of the P&W 14.5's in 1994. If I remember right the muzzle device was known as the Izzy flash hider. He never fired it and I acquired it after he passed away 2 years ago. I still have it and will probably keep it unfired. The barrel is chrome lined on his. Izzy FH is correct:  Attached FileI had a couple ~ 7 yrs ago. Gunpartscorp was selling them for $100, IIRC. Nice shooters. Several here ended up with canted FSBs. Bummer. |
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Posted: 5/17/2023 8:17:48 PM EDT
[#22]
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Posted: 5/17/2023 8:46:17 PM EDT
[#23]
Quote HistoryNice rifle! Did it come with the carry handle when you bought it? |
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Posted: 5/17/2023 9:11:31 PM EDT
[#24]
That could have come from my agency. We just traded in a bunch like that with the same rear sight. They had Aimpoint PROs on them when they left us. The number on the butt stock fits, mine was 66. PM me the serial # and I can probably confirm if you want.
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Posted: 5/17/2023 9:53:27 PM EDT
[#25]
Quote HistoryQuoted: Nice rifle! Did it come with the carry handle when you bought it? I'm sure I bought it. |
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Posted: 5/18/2023 5:30:27 AM EDT
[#26]
The question I have is who did the P/W's on these LEO trade in Bushmasters?
https://aimsurplus.com/products/le-trade-in-bushmaster-xm15-e2s-rifle-556-rifle#gallery-4 |
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Posted: 5/18/2023 6:19:35 AM EDT
[#27]
Quote HistoryQuoted: The question I have is who did the P/W's on these LEO trade in Bushmasters? https://aimsurplus.com/products/le-trade-in-bushmaster-xm15-e2s-rifle-556-rifle#gallery-4 "Now, the welds on these muzzle devices are not the most attractive, but they most certainly get the job done" Curious. |
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Posted: 5/18/2023 6:51:30 AM EDT
[#28]
I purchased quite a few Windham Bushmasters over the years. Every p & w I received looked waaaaaay better than that.
Holy cow. |
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Posted: 5/18/2023 7:25:26 AM EDT
[#29]
Quote HistoryQuoted: I purchased quite a few Windham Bushmasters over the years. Every p & w I received looked waaaaaay better than that. Holy cow. Holy shit. I didn't see the pic:  Attached FileOuch. |
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Posted: 5/18/2023 8:55:55 AM EDT
[#30]
Quote HistoryQuoted: I purchased quite a few Windham Bushmasters over the years. Every p & w I received looked waaaaaay better than that. Holy cow. Yep, factory P/W's from Windham Bushies were always fine from what I remember. These possibly left as SBR uppers and were later welded by monkeys, Century Arms, or blind third world children..... |
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Posted: 5/18/2023 8:59:32 AM EDT
[#31]
I never noticed the other bushmasters they had for sale. Looks like Bubba got the job done on those.
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Posted: 5/18/2023 9:11:17 AM EDT
[#32]
Quote HistoryQuoted: Yep, factory P/W's from Windham Bushies were always fine from what I remember. These possibly left as SBR uppers and were later welded by monkeys, Century Arms, or blind third world children..... Quote HistoryQuoted: Quoted: I purchased quite a few Windham Bushmasters over the years. Every p & w I received looked waaaaaay better than that. Holy cow. Yep, factory P/W's from Windham Bushies were always fine from what I remember. These possibly left as SBR uppers and were later welded by monkeys, Century Arms, or blind third world children..... Factory P/W were double pinned and welded and a PITA to remove. Edited again/disregard. My brain is having a shit day. 
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Posted: 5/18/2023 9:24:45 AM EDT
[#33]
Quote HistoryQuoted: Factory P/W were double pinned and welded and a PITA to remove. Quote HistoryQuoted: Quoted: Quoted: I purchased quite a few Windham Bushmasters over the years. Every p & w I received looked waaaaaay better than that. Holy cow. Yep, factory P/W's from Windham Bushies were always fine from what I remember. These possibly left as SBR uppers and were later welded by monkeys, Century Arms, or blind third world children..... Factory P/W were double pinned and welded and a PITA to remove. I actually did not know that, I was a teenager when I encountered the majority of the Bushmaster Izzy P/W's and never really tinkered until I got older. |
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Posted: 5/18/2023 9:44:54 AM EDT
[#34]
Potato pics of my 1999 14.5" Bushmaster upper I custom ordered that year. Back then you called Bushmaster and left a voice recording with your part choices and they would assemble the parts for free - including pin and weld. They did a good job and got the order right.
Older style Phantom. I ordered it to put on a pre-ban Bushmaster lower I had at the time. When the ban expired I obtained a Bushmaster Windham lower - sold the pre-ban lower.   
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Posted: 5/18/2023 8:31:54 PM EDT
[#35]
Tried to get the buffer tube off but it’s on there tight. The castle nut isn’t even staked and I can’t get it off.
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Posted: 5/18/2023 8:32:54 PM EDT
[#36]
Quote HistoryQuoted: Tried to get the buffer tube off but it’s on there tight. The castle nut isn’t even staked and I can’t get it off. Possibly thread locker. Vise it/heat it. |
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Posted: 5/19/2023 5:54:58 AM EDT
[#37]
Quote HistoryQuoted: Every Bushmaster bbl stamped B MP that I have seen/owned has been CL'd. I have one 16" Bushmaster ultra lightweight bbl marked B MP and it isn't chrome lined or nitrided. It was from their Carbon 15 line, I think bought it in '09. It is a 1/9 and shot really good, but I hate the fact it's not treated or lined. But I think you're right, other than those ultra lightweight bbls put on those piece of shit Carbon 15, BM were all chrome lined. Nowadays, I don't think any of their bbls are chrome lined, they all appear to state SBN(Nitride). |
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Posted: 5/19/2023 9:01:05 AM EDT
[#38]
Quote HistoryQuoted: Holy shit. I didn't see the pic: https://www.ar15.com/media/mediaFiles/416992/Screenshot_20230518-055520_Samsung_Inter-2820387.JPG Ouch. Quote HistoryQuoted: Quoted: I purchased quite a few Windham Bushmasters over the years. Every p & w I received looked waaaaaay better than that. Holy cow. Holy shit. I didn't see the pic: https://www.ar15.com/media/mediaFiles/416992/Screenshot_20230518-055520_Samsung_Inter-2820387.JPG Ouch. Jeez, that's not a pin & weld, lol. They just welded the muzzle device to the barrel
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Posted: 6/1/2023 12:03:02 AM EDT
[#39]
Quote HistoryQuoted: Definitely is, I’ve never seen one before. Are they any good? Quote HistoryQuoted: Quoted: Hard to tell from the picture but the BUIS looks like an ARMS 40L. Definitely is, I’ve never seen one before. Are they any good? These are not 40L they are the regular 40 stand alone with the notched small peep sight. |
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Posted: 6/1/2023 12:26:23 AM EDT
[#40]
Quote HistoryQuoted: These are not 40L they are the regular 40 stand alone with the notched small peep sight.  Attached File |
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Posted: 6/1/2023 1:24:23 AM EDT
[#41]
Quote HistoryQuote HistoryQuoted: Quoted: These are not 40L they are the regular 40 stand alone with the notched small peep sight. https://www.ar15.com/media/mediaFiles/46983/IMG_2940_jpeg-2836271.JPG I should have looked closer. |
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Posted: 6/1/2023 6:04:33 PM EDT
[#42]
Quote HistoryQuoted: Factory P/W were double pinned and welded and a PITA to remove. Edited again/disregard. My brain is having a shit day. I know I removed several of the dreaded Mini-Y comps from Bushmaster barrels and they had one pin. I'd grind down until I felt I was into the pin, rock the comp back and forth with a wrench to expose the pin as the grinding blended the pin and the comp together. Turn the pin facing down, smack the comp a few times, the pin would usually just fall out. Easy job actually. ETA- these were NOT Windahm Weaponry products, rather original Bushmaster ban era comps. |
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Posted: 6/2/2023 8:57:52 PM EDT
[#43]
I has one.
I went all M4 with it but missed the simplicity and now it's back to factory except for the sling RE baseplate it had when I got it; apparently installed by the PD that had it before. I tossed the horrible sling and its has a basic Magpul sling now. I have some fancy ARs but this one has the silkiest, smoothest action of all of them. I'm curious the round-count. The barrel looks great (CL) on the bore scope.  Attached File |
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Posted: 6/2/2023 9:24:49 PM EDT
[#44]
Quote HistoryQuoted: I know I removed several of the dreaded Mini-Y comps from Bushmaster barrels and they had one pin. I'd grind down until I felt I was into the pin, rock the comp back and forth with a wrench to expose the pin as the grinding blended the pin and the comp together. Turn the pin facing down, smack the comp a few times, the pin would usually just fall out. Easy job actually. ETA- these were NOT Windahm Weaponry products, rather original Bushmaster ban era comps. Quote HistoryQuoted: Quoted: Factory P/W were double pinned and welded and a PITA to remove. Edited again/disregard. My brain is having a shit day. I know I removed several of the dreaded Mini-Y comps from Bushmaster barrels and they had one pin. I'd grind down until I felt I was into the pin, rock the comp back and forth with a wrench to expose the pin as the grinding blended the pin and the comp together. Turn the pin facing down, smack the comp a few times, the pin would usually just fall out. Easy job actually. ETA- these were NOT Windahm Weaponry products, rather original Bushmaster ban era comps. No personal experience with the Mini-Y comps, but the Izzy were a bitch, IME. ARCHIVED THREAD LINK ON Mini-Y REMOVAL Also, a 2007 response from BM regarding their Izzy comps: "Hello, Subject: Muzzle Brakes & Flash Hiders, permanently attached. Bushmaster muzzle brakes and flash hiders that are permanently attached are done so in the following manner ; The unit is threaded onto the barrel, blind hole drilled in two places into the threads, holes are pinned, pins are welded over, welds are ground flush and the complete barrel assembly is then sent to finish. Free float handguards that replace the barrel nut can not be installed on these barrels. In order to remove the unit without damaging the muzzle the pins must be drilled or ground to below the threads before removal of the unit. This will usually damage the flash hider or brake so that it can not be reused. The threads of the muzzle may still have some damage that would require chasing with a die before replacing the flash hider or brake. In order to bring the barrel back to legal length the replacement flash hider or brake must be long enough to bring the total length to 16" or longer overall length. It must also be permanently attached according to BATF standards by high temperature silver soldering or pinning and welding. An A2 bird cage is not long enough to do that. The Phantoms and Izzy flash suppressors are long enough. Bushmaster is not set up to do individual piecework on barrels so it would need to be done by a gunsmithing shop or a machine shop. This shop http://www.kurtskustomfirearms.citymax. ... 5/1132.htm and this shop http://www.adcofirearms.com/shopservices.cfm are a couple that offer services to replace the brake with a flash suppressor. Thank you, Jim Eden Technical Support Bushmaster Firearms International, LLC Office: 1-800-883-6229 ext. 277 Fax: 207-892-8068" |
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Posted: 6/2/2023 9:34:11 PM EDT
[#45]
Quote HistoryQuoted: I has one. I went all M4 with it but missed the simplicity and now it's back to factory except for the sling RE baseplate it had when I got it; apparently installed by the PD that had it before. I tossed the horrible sling and its has a basic Magpul sling now. I have some fancy ARs but this one has the silkiest, smoothest action of all of them. I'm curious the round-count. The barrel looks great (CL) on the bore scope. https://www.ar15.com/media/mediaFiles/577817/20191130_170502_jpg-2838324.JPG Looks great. Did yours come with a carry handle? I heard these rifles should have 2k or lower round count. |
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Posted: 6/13/2023 3:02:22 PM EDT
[#46]
Quote HistoryQuoted: Possibly thread locker. Vise it/heat it. That was a bitch took a bunch of heat, AR wrench and a hammer. |
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Posted: 6/13/2023 3:47:05 PM EDT
[#47]
Quote HistoryQuoted: That was a bitch took a bunch of heat, AR wrench and a hammer. Quote HistoryQuoted: Quoted: Possibly thread locker. Vise it/heat it. That was a bitch took a bunch of heat, AR wrench and a hammer. Yeah, I had a couple of RRA the same way. Uncalled for. |
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Posted: 6/14/2023 10:37:04 PM EDT
[#48]
Done with this rifle now. Slapped a new bushmaster auto BCG w logo in it. Trigger pin was walking so I swapped it out with a nickel boron one I had laying around.
 Attached File Attached File |
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Posted: 6/15/2023 11:06:20 AM EDT
[#49]
Might consider replacing the FCG springs if the trigger pin was walking. Hammer spring should provide enough tension to keep that from happening. Contrary to popular belief not all LE guns are shot once a year and some trade ins, rifles in particular, might be genuinely worn out. Fortunately that's easy to fix with a new barrel, bolt group, and springs.
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Posted: 6/15/2023 11:22:39 AM EDT
[#50]
Quote HistoryQuoted: Might consider replacing the FCG springs if the trigger pin was walking. Hammer spring should provide enough tension to keep that from happening. Contrary to popular belief not all LE guns are shot once a year and some trade ins, rifles in particular, might be genuinely worn out. Fortunately that's easy to fix with a new barrel, bolt group, and springs. I heard from a guy who knows about these rifles and he said about 2k rounds through it maybe. I replaced the entire trigger group and pins. Shouldn’t be walking anymore. |
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