Extar EXP-9 (1st Gen) Listing ID: 3131804

General Specs:
Model: Extar EXP-9 (1st Gen)

Caliber: 9mm Luger (9x19mm)

Action: Direct blowback

Operating Type: Semi-automatic

Configuration: Pistol (not a rifle); no stock, buffer tube with brace-compatible options

Magazine: Accepts Glock 9mm magazines (G17/G19 compatible)

Production Period: ~2021–2023 (Gen 1 discontinued; replaced by EP9 Gen 2)

Country of Origin: United States

Dimensions:
Barrel Length: 6.5 inches

Overall Length: ~20.25 inches

Weight (unloaded): ~4.1 lbs (very lightweight)

Materials:
Upper Receiver: Polymer

Lower Receiver: Polymer

Barrel: Steel, nitride coated

Internals: Steel bolt and fire control group

Buffer Tube: Proprietary design, non-standard buffer system

Features:
Recoil System: Captive, proprietary recoil spring assembly in the buffer tube

Charging Handle: Side-charging, non-reciprocating

Safety Selector: AR-15 style, ambidextrous

Grip: Integrated into lower; not AR-compatible

Handguard: Integrated polymer with short top Picatinny section

Muzzle Device: Threaded 1/2x28 for suppressors/muzzle brakes (includes thread protector)

Sights: Not included (flat-top upper with Picatinny rail for optics)

Brace Compatibility: Uses buffer tube that can accept many arm braces or stocks (when SBR’d)

Known Characteristics:
Blowback recoil is snappy, especially with +P ammo

Extremely lightweight, good for maneuverability

No last-round bolt hold open (Gen 1 only)

Trigger: Basic mil-spec style, non-enhanced

Reliability: Generally solid, but some early users reported feeding issues with certain magazines or hollow points

Maintenance: Simple field strip, easy to clean



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