Thread dedicated to everything about .22LR and the 15-22
Here is a list straight from the manual:
Approved 15-22 ammo
Aguila Super Extra High Velocity 38gr HP
Aguila Super Extra Std. Velocity 40gr LRN AGUI22SESVSP
CCI Standard Velocity 40gr LRN
CCI Mini-Mag 36gr GLHP
CCI Stinger 32gr GLHP
Federal American Eagle 40gr LRN AE5022
Federal American Eagle 38gr HP AE22
Federal GameShock 40gr CLRN 710
Federal GameShock 40gr CLRN 810
Winchester Super-X High Velocity 40gr HP WNX22LRPP1
Not Recommended 15-22 ammo
Remington Golden Bullet
Remington Target 22
Remington Thunderbolt
Winchester Wildcat
any and all subsonic ammo
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Other ammo that owners have used with moderate to high success:
CCI Blazer 40gr LRN Rimfire #CC10021
Federal Champion 36gr HP Rimfire #545 (also known as #745 on Federal's website)
Winchester "333" 36gr HP Rimfire #22LR333HP
Smith & Wesson M&P 15-22 manual:
http://www.smith-wesson.com/wcsstore...fle_Manual.pdf
Ammunition URL's:
Aguila
Aguila Ammunition / Centurion Ordnance, Inc.
CCI
CCI Ammunition - View All CCI Loads
Federal
Federal Premium - Rimfire Ballistics
Winchester
http://www.winchester.com/Products/r...s/default.aspx