Spikes Tactical ST-15 LE STR5035-R3S Rifle, 5.56 NATO/.223 Rem, 16\" Threaded Barrel, Semi-Auto, Ambi Safety, M-LOK Handguard.

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Spike's Tactical Spikes Tactical ST-15 LE STR5035-R3S Rifle, 5.56 NATO/.223 Rem, 16\" Threaded Barrel, Semi-Auto, Ambi Safety, M-LOK Handguard. - Upper Receiver for AR-15 - view 1
Spike's Tactical Spikes Tactical ST-15 LE STR5035-R3S Rifle, 5.56 NATO/.223 Rem, 16\" Threaded Barrel, Semi-Auto, Ambi Safety, M-LOK Handguard. - Upper Receiver for AR-15 - view 2
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Spike's Tactical

Overview

The Spike's Tactical ST-15 LE STR5035-R3S Rifle features a 16-inch barrel chambered in 5.56 NATO, designed for reliable performance in a variety of scenarios. Its mid-length gas system optimizes cycling and reduces felt recoil, making it a suitable choice for both novice and experienced builders looking for a smooth shooting experience. This rifle commonly appears in tactical and law enforcement builds, where versatility and dependability are key.

Specifications

MPNSTR5035-R3S
Gas System LengthMid-Length
Caliber5.56 NATO
Barrel Length16
PlatformAR-15
Thread Pitch1/2x28

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$1,098

Price and stock

The Spike's Tactical Spikes Tactical ST-15 LE STR5035-R3S Rifle, 5.56 NATO/.223 Rem, 16\" Threaded Barrel, Semi-Auto, Ambi Safety, M-LOK Handguard. was out of stock everywhere we track for all of September 2026, and today the one retailer we track is out of stock. Listed prices start at $1,098 at Classic Firearms for when it comes back.

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