EPC Lower Receivers & Sets
The Aero Precision EPC-9 receiver set is the perfect foundation for your next AR9 build. Precision machined from two custom 7075-T6 Aluminum forgings our receiver sets feature an upper with a last round bolt hold open.
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EPC Barrels
9MM CRAFTED FROM 4150 CHROME MOLLY VANADIUM AND HELD TO THE SAME STANDARDS AS OUR TRIED AND TRUE AR15 BARREL LINEUP.
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EPC Handguards
CHOOSE FROM A GREAT SELECTION OF HANDGUARDS, INCLUDING ALL NEW LENGTHS OF OUR ATLAS SERIES DESIGNED SPECIFICALLY FOR EPC BUILDS.
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EPC Upper Receivers
SHOP EPC-9 COMPLETE UPPER RECEIVERS OR EPC-9 STRIPPED UPPERS (COMING SOON) FOR YOUR NEXT EPC-9 BUILD.
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EPC Small Parts
EPC-9 PARTS AND ACCESSORIES INCLUDING BCGS, LPKS, CHARGING HANDLES, BUFFER KITS, STOCKS, GRIPS AND MORE.
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The EPC-9 lineup is perfect for your next 9mm or 40S&W AR build. Built from the ground up to meet the extreme demands of pistol caliber blowback ARs, the EPC-9 is precision machined to the same high standards you have come to expect from Aero Precision. The foundation of this product line is our forged EPC-9 receiver set, accepting standard frame GLOCK magazines and available with a last round bolt hold open mechanism integrated into the upper receiver.
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The EPC-10 lineup is perfect for your next 10mm or 45ACP AR build. Built from the ground up to meet the extreme demands of pistol caliber blowback Ars, the EPC-10 line is precision machined to the same high standards you have come to expect from Aero Precision. The foundation of this product line is our forged EPC-10 receiver set, accepting large frame GLOCK magazines and available with a last round bolt hold open mechanism integrated into the upper receiver.
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MILLED & MARKED
For standard and short throw safety selectors
THREADED BOLT CATCH
Eliminates the chance to mar your receivers finish when installing your bolt catch
LAST ROUND BOLT HOLD OPEN
Last round bolt hold open built into the upper receiver
FLARED MAGWELL
Aids in quick and efficient magazine changes
INTEGRATED TRIGGER GUARD
Aids in quick and efficient magazine changes
UPPER TENSION SET SCREW
Allows users to fine tune the fit between upper and lower receivers
THREADED TAKEDOWN PIN DETENT CHANNEL
Eases receiver extension installation by capturing the spring detent with a 4-40 set screw
Frequently Asked Questions
Can I shoot hollow point or flat-nose ammunition in my EPC?
When using any flat-nose or hollow-point projectile, we recommend that you test to ensure proper cycling and feeding, as projectile and feed ramp geometry are critical to function.
When using any flat-nose or hollow-point projectile, we recommend that you test to ensure proper cycling and feeding, as projectile and feed ramp geometry are critical to function.
Do I need a gas block and gas tube for my EPC?
No, the Aero Precision EPC operates on a straight blowback system and does not require a gas block and gas tube as traditionally found in other AR15s.
No, the Aero Precision EPC operates on a straight blowback system and does not require a gas block and gas tube as traditionally found in other AR15s.
Is my EPC-9 compatible with AR-9 parts from other manufacturers?
It depends; we recommend using all Aero Precision parts in your EPC to avoid potential compatibility issues, but the EPC is compatible with various parts.
It depends; we recommend using all Aero Precision parts in your EPC to avoid potential compatibility issues, but the EPC is compatible with various parts.
Is my EPC-9 compatible with aftermarket bolt catch designs and accessories?
We do not recommend using aftermarket bolt catch designs or accessories as this can create a malfunction with the last-round bolt hold open mechanism.
We do not recommend using aftermarket bolt catch designs or accessories as this can create a malfunction with the last-round bolt hold open mechanism.
What calibers can my EPC-9 receiver set accept?
The EPC-9 receivers are compatible with 9mm and 40S&W.
The EPC-9 receivers are compatible with 9mm and 40S&W.
What magazines are compatible with the EPC-9 lower receivers?
The EPC-9 Lower Receiver is compatible with standard frame GLOCK G17/G19 pattern magazines.
The EPC-9 Lower Receiver is compatible with standard frame GLOCK G17/G19 pattern magazines.
What handguards are compatible with the EPC-9?
The EPC-9 accepts most AR15 barrel nut/handguard combos compatible with mil-spec upper receivers.
The EPC-9 accepts most AR15 barrel nut/handguard combos compatible with mil-spec upper receivers.
Will the EPC-9 accept 10mm/45 parts?
No, the EPC-9 is caliber-specific and is only compatible with 9mm/40 parts and components. 10mm/45 parts and components will be launched in the future.
No, the EPC-9 is caliber-specific and is only compatible with 9mm/40 parts and components. 10mm/45 parts and components will be launched in the future.
What does EPC stand for?
EPC stands for Enhanced Pistol Caliber.
EPC stands for Enhanced Pistol Caliber.
Can I shoot my EPC suppressed?
Yes, you can, so long as your suppressor is rated for the caliber you intend to shoot and you do not use a Nielsen Device/booster assembly, as the EPC uses a fixed barrel.
Yes, you can, so long as your suppressor is rated for the caliber you intend to shoot and you do not use a Nielsen Device/booster assembly, as the EPC uses a fixed barrel.
What is the recommended buffer weight for the EPC?
7.7oz
7.7oz
How does the EPC function?
The EPC utilizes a direct blowback system, which uses the kinetic energy generated from the cartridge's discharge to push the bolt back and cycle the action.
The EPC utilizes a direct blowback system, which uses the kinetic energy generated from the cartridge's discharge to push the bolt back and cycle the action.
What is a last-round bolt hold open?
A last-round bolt hold open, built into the EPC upper receiver, allows the bolt to be locked open on an empty magazine.
A last-round bolt hold open, built into the EPC upper receiver, allows the bolt to be locked open on an empty magazine.
What makes Aero Precision's EPC lower parts kits unique?
Aside from not including parts already installed on the lower receiver, each EPC lower parts kit that consists of a fire control group utilizes hardened trigger pins to meet the high demands of blowback AR platforms.
Aside from not including parts already installed on the lower receiver, each EPC lower parts kit that consists of a fire control group utilizes hardened trigger pins to meet the high demands of blowback AR platforms.
What muzzle devices will work on my EPC 9mm barrel?
The larger bore diameter of the 9mm requires a 9mm specific muzzle device that allows proper clearance for the projectile. You must also ensure the muzzle device is the appropriate thread pitch for your particular 9mm barrel (all Aero Precision 9mm barrels use 1/2x28 threads).
The larger bore diameter of the 9mm requires a 9mm specific muzzle device that allows proper clearance for the projectile. You must also ensure the muzzle device is the appropriate thread pitch for your particular 9mm barrel (all Aero Precision 9mm barrels use 1/2x28 threads).
Are folding stock adapters compatible with the EPC-9?
No. The EPC-9 bolt carrier group will not accept hardware commonly used in folding stock adapters.
No. The EPC-9 bolt carrier group will not accept hardware commonly used in folding stock adapters.