It sucks , it’s supposed to be better than the 25 round mag. This supposed 300 round magazine holds 300 bbs but every 25 shots you have to pull the clip out put your gun down and shake it with one hand and pull the reloading slide with the other to get it to fire 25 more bbs you got are insert the magazine . I was under the impression it was a 300 continuous fire magazine . Nowhere in-the description does it say this thing fires 25 at a time . The original magazine actually can be reloaded in about the same amount of time . I feel like you tricked me into paying 80 dollars for this thing and it didn’t do what your misleading advertisement description implied .amd secondly it has not yet fired all 25 bbs without jamming and needing to be recocked ! The original magazine for the r1 is definitely better than the 300 round magazine due to inconsistent rate of fire and needing both hands to shake load the thing ! Very unsatisfied with this , and before you claim the proper crossman BBs wouldn’t cause this problem I can assure you I used crosman brand bbs
