JDMLandscaping
CGN Regular
- Location
- Lower Mainland BC
Hello all. Here is one I have been thinking about since I heard about the release of the Ruger 57 pistol. I have always been intrigued by the 5.7x28 round but could never bring myself to spend the money on a P90 or FN57. With the Ruger coming out it got me thinking about building a direct blow back AR style rifle to chamber the round. I think in theory it would work well and would make a very fun squirrel or rabbit rifle if made on an NR platform. Thinking about it you would in theory only need;
1. New barrel
2. A properly massed bolt and stiff enough buffer spring
3. Proper bolt face/ejector for the round
4. A mag well adapter to take whatever 5.7 mag you wanted (Ruger, FN or M1 carbine with pinched lips)
It is a small round so the mass needed in the bolt would not add a huge amount of overall weight to the rifle. I think the biggest issue would be getting the mag well adapter machined as it is not available as of now that I can find at least.
If this could work on say an SLR build using a pistol magazine it would be a very fun plinking rifle and pin one mag to 5 and I think it would make a dandy of a little varmint rifle. Yes I know a .22wmr and other such very common rounds would do much the same but I like to build things and something like this would motivate me to save up and finally buy a 57 pistol. So what are your thought? Am I crazy and out to lunch? I am no gunsmith or machinist or engineer so I’m sure there is something I am over looking but I think it would be a fun cool build to try and make work.
1. New barrel
2. A properly massed bolt and stiff enough buffer spring
3. Proper bolt face/ejector for the round
4. A mag well adapter to take whatever 5.7 mag you wanted (Ruger, FN or M1 carbine with pinched lips)
It is a small round so the mass needed in the bolt would not add a huge amount of overall weight to the rifle. I think the biggest issue would be getting the mag well adapter machined as it is not available as of now that I can find at least.
If this could work on say an SLR build using a pistol magazine it would be a very fun plinking rifle and pin one mag to 5 and I think it would make a dandy of a little varmint rifle. Yes I know a .22wmr and other such very common rounds would do much the same but I like to build things and something like this would motivate me to save up and finally buy a 57 pistol. So what are your thought? Am I crazy and out to lunch? I am no gunsmith or machinist or engineer so I’m sure there is something I am over looking but I think it would be a fun cool build to try and make work.
