Remington 722 Receiver question

[RBruce]

Is there a Remington 700 magazine/trigger guard assembly that will fit a Remington 722 action in .308? --TIA

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[Cosine26]

The simple answer to your question is YES.
In 1968 I built a 7.62/308 target rifle on a 722 action which was originally in 300 Savage caliber. At that time the 700 came in just two lengths: (1) long for 30-06, 300 H&H, 270 etc. and (2) short for 308, 243W, 300 Savage, etc. I want to be specific for I don’t know if the 700 action has been modified since 1968. I ordered the trigger guard assembly for the short 700 action.
There are several considerations:
1. The trigger will sit further forward in trigger bow but will function satisfactorily.
2. The original magazine box will be too deep. In the 722, the magazine box extents to the stamped trigger guard assembly, and extends to the bottom of the stock. The 700 trigger guard has an extension into which the box sits. If you intend to use the original stock, this will cause the trigger guard assembly to sit proud of the stock. By careful measurement you can determine how much to take off the box. I used a custom target stock so had some lee way. The standard 722 is designed to hold only four rounds in the box. By leaving the box longer you can make it hold five rounds with the bolt closed. I used this to my advantage since I was building a target rifle and need to have a magazine that would take a five round clip on a reload in rapid fire.
3. If you are building a target rifle, the slot in the rear receiver ting will accommodate the standard Mauser 98 clip. I just added a couple of detents so that the bosses on the Mauser clip would seat. . You will find that the receiver ring interferes with the nose of the bullet when clip loading standard ball or Match ammo. On the Remington 40X across the course rifle, Remington notched the receiver to clear this problem. I did not do this. For 7.62 ball or Match, I just reseated the bullets slightly so that they would clear the receiver ring. For hand loads, I just seated the bullets in my rapid fire ammo a bit deeper. I tested these loads with the deeper seated bullets and could see no discernible difference in accuracy or pressure between the standard length rounds and the ones with the deeper seated bullets.
I have a few thousand rounds through this rifle and have never had a problem. I have been a bit concerned about the extractor but have never had a problem. The 722 extractors are no long available from Remington and are not interchangeable with t he 700 extractor.
Hope this helps.

[RBruce]

Thanks Cosine26,
Yes, that does help. I have a 722 receiver with a 700 barrel mounted in a 40X stock. The configuration is single shot as this particular 40X stock does not have a cutout for a magazine. I was wanting to mount the barreled receiver in a 700 stock and include a magazine arrangement. So, the question is, can I use a Brownell's ADL to BDL kit and a Remington BDL stock with my .308 722 action?

[Cosine26]

Hi Bruce,
I cannot answer your questions directly because I have not seen a Remington 40XB-XC rifle in over fifty years and I have never examined a 700 action in detail. The 40X-XC did not attain the popularity in match shooting required to supplant the Model 70 Winchester in big bore competition. They were not plentiful on the firing lines.
I believe that the 40X was built on the 700 short action. I believe that the geometry of the 700 action and that of the 722 are the same. If your 722 will fit into a 40X stock, as you have indicated, I believe that it will fit in a 700 BDL stock and can use the BDL hardware. I am not familiar with the Brownell ADL to BDL conversion unit. If the 722 action will fit in a 700 stock, I see no problem with your plans. I know that the 700 BDL trigger guard assembly will fit the 722 action as the screw spacing is the same. You may face the same issues that I addressed in my first post. I do not know if a 700 magazine box will fit and feed properly in the 722 action.
I would guess that you are making a sporting rifle and not a target rifle. If you are building a target rifle you could open up the inletting on the 40X-B stock to accept BDL magazine and trigger guard and use it.
There are several aftermarket trigger guards for the M700 advertised in the various rifle/gun magazines but I have no experience with them.
I hope that helps. Maybe someone with actual experienced could supply you with first hand information.