Knight's Armament SR-15 E3 CQB Mod 2 M-LOK

Legacy complete SR-15 E3 CQB Mod 2 short-barreled rifle with URX4 M-LOK rail.

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Key Highlights

•Military-grade reliability in compact package
•Requires SBR tax stamp

Specifications

Price: $2,900
Weight: 6 lb 4 oz
Calibers: 5.56mm NATO
Rail Type: mlok
Best For: vehicle ops duty patrol home defense

Capability Profile

0-10 Scale Across 8 Axes

Compatibility Tags

family: modern-riflefamily: ar-patterntrigger: ar-fcginterface: picatinny-tophandguard: mlokbarrel: compactmag-type: stanag

Overview

The SR-15 CQB Mod 2 delivers Knight's Armament's legendary reliability and enhanced bolt system in an 11.5-inch SBR configuration. Featuring the same E3 bolt improvements and URX 4 handguard as the 16-inch model, it's optimized for close-quarters while maintaining the superior durability KAC is known for.

Key Features

E3 enhanced bolt with extended service life
11.5" chrome-lined hammer-forged barrel
URX 4 M-LOK 10.75" handguard
Proprietary mid-length gas system
Ambidextrous controls throughout
Two-stage match trigger
Folding 200-600 meter backup sights

Pros

+KAC's proven E3 bolt reliability in compact package
+Proprietary mid-length gas system improves reliability
+Reduced felt recoil for an 11.5" carbine
+True ambidextrous operation
+Military-grade durability and quality control
+Excellent suppressor host

Cons

−Premium pricing and limited availability
−NFA-regulated short-barreled rifle
−Legacy Mod 2 availability is often collector-market driven
−Can be overgassed when suppressed without adjustments

Detailed Specifications

sku: 31952
upperReceiverKitSku: 31963
caliber: 5.56mm NATO
Barrel Length: 11.5"
Overall Length: 29" - 32"
weight: 6.25 lbs
Gas System: Direct impingement with KAC Mod 2 gas system
railSystem: M-LOK (URX 4 10.75")
Trigger: Two-stage match
Twist Rate: 1:7
barrel: Hammer-forged, chrome-lined
Muzzle Device: KAC 3-prong QDC flash eliminator
nfaStatus: Short-barreled rifle
status: Legacy Mod 2 configuration; current KAC commercial SR-15 lineup has moved to KS-series carbines