I am wondering about shorter length 300 Blackout specific magazines. I am shooting 225 grain powder coated lead bullets through a Ruger American Ranch Rifle. My rifle has the magazine well to accept standard AR-15 magazines.
I am wondering about shorter length 300 Blackout specific magazines. I am shooting 225 grain powder coated lead bullets through a Ruger American Ranch Rifle. My rifle has the magazine well to accept standard AR-15 magazines.
I think standard COAL for the ar 15 is 2.62
These are the two I'm looking at from gun mag warehouse.
I want the mags to not stick out so far from the bottom.
I like short mags too.
They also keep you from shooting up all your ammo so fast.
*LOL* I just put 5 rounds in the mag and don't worry about how much hangs down underneath!
This ProMag COL21 says "flush fit"
Attachment 323655
https://www.theshootersbox.com/AR-15...e_p_17777.html
Last edited by steve urquell; 02-20-2024 at 09:41 PM.
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I would go with the Lancers. The magazine is a pretty important piece of a semi auto. I have zero confidence in Duramag or Promag quality. Also, try to find physical dimensions in the advertising. Many 5 and 10 round magazines are just standard 20 round mag bodies blocked to lower capacity.
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I use 10 round Pmags.
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10 Round Pmag for range unmodified for 5.56 and 300, when you get into big pills on the 300 you need to file/sand but no big deal. And then there are the ten rounders I have modified for my hunting 450BM/458, they have worked flawlessly for me!
I use 10 rnd Lancers but have a single shot mag also. Actually just blocks the mag well and you drop one in the ejection port.
Whatever!
I use the 10 round Lancers, in my 7.62x39 AR the 10 round dur mags work great
Actually the standard 223/5.56 OAL length is 2.26 so an apparent transfer of numbers in the 2.62 number.
The P mag can give you 2.30 in length due o a different method or build. So the RN and flat nose bullets give you a bit of extra base to the bottom of the neck in internal fit. The AR-15 lower frame is designed for this magazine length box.
I have a bunch of five shot magazine for AR-15s. So there are plenty of five shot magazines avalible.
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It's kinda labor intensive, but it is possible to reduce the length of existing magazines...I have done so with a 6.5 Grendel magazine for my ruger American. Helped enormously with how carry-able it is!
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BP | Bronze Point | IMR | Improved Military Rifle | PTD | Pointed |
BR | Bench Rest | M | Magnum | RN | Round Nose |
BT | Boat Tail | PL | Power-Lokt | SP | Soft Point |
C | Compressed Charge | PR | Primer | SPCL | Soft Point "Core-Lokt" |
HP | Hollow Point | PSPCL | Pointed Soft Point "Core Lokt" | C.O.L. | Cartridge Overall Length |
PSP | Pointed Soft Point | Spz | Spitzer Point | SBT | Spitzer Boat Tail |
LRN | Lead Round Nose | LWC | Lead Wad Cutter | LSWC | Lead Semi Wad Cutter |
GC | Gas Check |