Aero Precision EPC-9 Slip Fit Magwell (SFM)


  • Low profile design, free of snag points, offers unobstructed manual of arms
  • Durable single piece nylon construction
  • Simplified hardware reduces potential failure points to effectively none
  • Ultralight construction: 0.60 oz including hardware

Made in the USA – Full Lifetime Warranty

In stock


The EPC Slip Fit Magwell (SFM) brings “extra flare” to your EPC-9, just over doubling the already generous funnel of the receiver. The unique attachment method, termed the Slip Fit, offers users a simplified one piece construction with reduced points of (potential) failure. The hardware follows this simplified approach, consisting of one 4-40 socket head screw and one threaded insert, offering a secure and reliable fit while also keeping the overall weight right at 0.60 oz.


Nylon Polymer

Weight w/ Hardware

0.6 oz (17G)


– 3 in/lbs – Do not over-torque

Hardware Included

1 x Hex Screw
1 x 3/32" Allen Key


L – 2.98 in. (75.69mm)
W – 1.83 in. (46.48mm)
H – 0.795 in. (20.19mm) off of rail

SKU: EPC9-SFM Category: Tag:
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