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Madbull PRI 7" Delta GEN III Polymer Handguard for M4 AEG / GBB - OD

If you are into small arms history, you must have heard of SPR (Special Purpose Rifle.) The SPR, used by Special Operations Forces of both the U.S. Army and U.S. Navy, is a heavily modified light sniper/designated marksman variation of the AR-15/M16 line of infantry weapons, and is chambered for NATO standard 5.56x45mm ammunition. The first SPR adopted famous PRI Gen I and Gen II free-float handguard.

Now, MadBull is proudly introducing fully licensed PRI handguard rails to Airsoft industries.


Gen III Delta Free Float Rail in different lengths with side rail panels.

High Quality Polymer Construction to reduce weight and cost.


There are more optional accessories (Not Included) for PRI Gen III rails:

1. SPR PEQ Top Rail for different length of handguard: The main purpose of PEQ top tail is to install PEQ box on the one-piece top rail.

2. Front sight and rear sight: You have to buy these sights from ASG who has ARMS' license and produce sights for SPR top rail.


The set includes a delta ring and a set of 4 RIS rails with mounts.

Note: Airsoft version internal dimension is different from real steel.


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