Question:Will this load into any 12 gauge without any type of adapter?
Response:Yes they will, no adaptor need
Question:Do these require an OPSOL adapter to function in the Mossberg shockwave
Response:No adaptor needed. Thank you for visiting TargetSportsUSA.com
Question:How many #4 Buck Pellets are inside these Federal Shorty Shells? The answer is: 15 Pellets...
Response:Thank you John.
Question:Is this a slug round?
Response:Hi Gererdo, No this is a buck shot. Thank you for buying bulk Federal 12 Gauge Mini Shells at TargetSportsUSA.com
Question:How many #4 Buck Pellets are inside these Federal Shorty Shells?
Response:Hi Ken, we will forward your inquiry to Federal and update you as soon as we get a response from them about this mini shell. Thank you for buying bulk 12 Gauge Mini Shells at TargetSportsUSA.com