SEI or sadlak
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The Sadlak is an improve model of the Brookfield mount or SEI which is basically a direct copy of the Brookfield. The Sadlak has additional locking mechanism in the area of the receiver dovetail connection which is absent on either the old Brookfield or SEI mounts. The military , in some cases, had to weld the Brookefield or SEI mounts to the receiver to stabilize them. The Sadlak overcame that weakness with the addition of locking screws in the dovetail.
My opinion is that Sadlak rules the roost.
My opinion is that Sadlak rules the roost.
In my estimation the Sadlak (SKU 140011) is the most stable, and reliable scope mount on the market for the M1A. There are a couple of things to keep in mind though. One is that they're rather pricey, and Two, you might have to wait awhile to get one. The last one that I bought took nine months to be delivered, but as I look at Sadlak's website right now, they show in stock. You'll not be sorry if you buy the Sadlak. Remember that this is solely my opinion !!!
Gary
Gary
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I know you asked about those two mounts but, Don't leave out the ARMs18 Mount , its worth looking at also .
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Bassett high mount has worked for me. its only about 1/4” higher than their low mount and allows use of irons if one wishes. The OPs mounts are excellent but I think they require removal of the clip guide. Using the Bassett tool for mounting torque has yielded a repeatable zero on my rifle. Bassett is worth considering.
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If I were building a repeatable tac driver, the Sadlak scope mount would be my go to mount. It is strong and stable. Its success was built on the back of the Brookfield scope mount designed during the XM25 project back in the late 1980s.
These mounts based on the Brookfield mount, to include SEI mounts were used successfully by the U.S. Military and had no serious short comings. The only scope mounts used in any large numbers with known stability issues was the GG&G scope mount used by the marines and yes these were tack welded to the receiver because they had stability problems, none of the other mounts based on the Brookfield design and including the Brookfield exhibited this problem. There may have been an atypical problem but that was more to do with manufacturing than the design!
While Sadlak would be my first choice, there are several others you may want to consider.
Basset, Arms 18, and our own redneckyankee are others you should look into.
MORE THAN A HOBBY, A PASSION!
REN
These mounts based on the Brookfield mount, to include SEI mounts were used successfully by the U.S. Military and had no serious short comings. The only scope mounts used in any large numbers with known stability issues was the GG&G scope mount used by the marines and yes these were tack welded to the receiver because they had stability problems, none of the other mounts based on the Brookfield design and including the Brookfield exhibited this problem. There may have been an atypical problem but that was more to do with manufacturing than the design!
While Sadlak would be my first choice, there are several others you may want to consider.
Basset, Arms 18, and our own redneckyankee are others you should look into.
MORE THAN A HOBBY, A PASSION!
REN
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5,936 Posts
Sadlak for sure if you have a choice
Can you tell me if the Brookfield can be modified and upgraded to incorporate the Sadlak additional lock mechanism?
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Sir, SEI receivers are some of the best made, period. I have three and they run like a singer sewing machine.
These three were built by Ronnie Morris, not some do it yourselfer in the basement!
They are sought after and command a premium.
Top three receivers.
GunWorks of Lower Alabama—forged
LRB—forged
SEI—bar stock
Fulton Armory -casted
The rest are ok.
If you can find an older Springfield receiver get it, the newer one are not finished nearly as well.
MORE THAN A HOBBY, A PASSION!
REN
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5,702 Posts
Btw, Smith Enterprise receivers have not been made in over a decade. You have to search on gunbroker for a used rifle that was made with one. I don’t have experience with them, but they are more expensive. As others have noted, how carefully the rifle was assembled and the parts fitted together is often more important than other factors.
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I agree. Sell the BPT to get the sadlak. I would say you could sell it for around $400, but it is a small market, so it may take some time unless it is a real good price.
Personally, I would use the BPT, and then in the future IF it has any problems, sell it for a sadlak. Properly installed on an in-spec "or close to" receiver, they are very reliable.
Personally, I would use the BPT, and then in the future IF it has any problems, sell it for a sadlak. Properly installed on an in-spec "or close to" receiver, they are very reliable.
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It hasn't quite been a decade. I was able to get one from Croc's Gun Shop new back in 2013. Had to wait a good bit to get it as he was waiting on Smith Enterprise to actually machine it.
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