Now for some new magazines for your M4-based AEGs, Tiger111HK gives you some special packages of getting 450 or 300 round magazines under the EAIMING brand as you can get for US$29.99 5 pieces of that magazine with black or grey options. If you already have an APS AEG, then there's the 300 round APS magazine. And for another hi-capacity magazine for Glock gas blowback pistols, check the EAIMING 49-round pistol gas magazine.

"A.P.S. 300rd Hi-Cap METAL Magazine for ASR/M16/M4 AEG

• High Capacity Magazine for A.P.S. ASR Series AEG
• 300 Rounds Loading Capacity
• Operated by winding the compression spring
• Large thumb dial on bottom of magazine allow you to wind it up
• Suitable for 6mm Airsoft Plastic BBs only
• Loading Capacity : 300rds
• Magazine suitable for APS ASR Series Airsoft Electric Blowback Rifle or other compatible M4 / M16 AEG
• Bullet Type : 6mm BB

EAIMING 450rd HI-CAP METAL Magazine for M4/M16 AEG (5pcs; Gray)

• For those who don't like the low capacity standard AEG Magazine
• This High Capacity Magazine is a direct replacement of the Standard one
• 450 Rounds of loading capacity are enough for high shooting rate skirmish airsoft game
• Pour Plastic Bullet on top of the magazine
• Large thumb dial on bottom of magazine allow you to wind up the compression spring
• Clip-To-Clip mechanism allow multiple Magazine attach together
• Suitable for 6mm Plastic Bullet only
• Metal Case
• Loading Capacity : 450 rds
• Magazine suitable for JING GONG / MARUI / D-BOY M4/M16 series AEG
• Bullet Type : 6mm BB

EAIMING 300rd HI-CAP METAL Magazine for M4/M16 AEG (5pcs; Black)

• For those who don't like the low capacity standard AEG Magazine
• This High Capacity Magazine is a direct replacement of the Standard one
• 450 Rounds of loading capacity are enough for high shooting rate skirmish airsoft game
• Pour Plastic Bullet on top of the magazine
• Large thumb dial on bottom of magazine allow you to wind up the compression spring
• Clip-To-Clip mechanism allow multiple Magazine attach together
• Suitable for 6mm Plastic Bullet only
• Metal Case
• Loading Capacity : 450 rds
• Magazine suitable for JING GONG / MARUI / D-BOY M4/M16 series AEG
• Bullet Type : 6mm BB

EAIMING 49rd Long Magazine for KSC Glock Series GBB

• Fit for KSC G17/G18C/G19/G26/G26C/G23F/G34 Airsoft GBB Sub-Machine Gun
• Full Metal Construction
• 49 Round Loading Capacity
• Bullet Type : 6mm BB"