Colt Enhanced Patrol Rifle II factory SBR, LE6933-EPRII: 11.5-inch chrome-lined 41V50 CMV barrel, carbine gas, 10.5-inch free-float M-LOK rail with steel QD sockets, Magpul MBUS 3 and MOE SL, A2 flash hider. Specs from Primary Arms product page (checked 2026-10-10). Price is Brownells $1,239.99 via AvantLink ProductSearch 2026-10-10; Primary Arms lists $1,399.
The Colt Enhanced Patrol Rifle II in the LE6933 configuration is Colt's 11.5-inch factory SBR. The barrel is 41V50 chrome moly vanadium steel, chrome lined and manganese phosphated, in a medium contour on a carbine-length direct-impingement gas system, with an A2 flash hider on a threaded muzzle.
A 10.5-inch free-float rail carries M-LOK slots in seven orientations, a full-length Picatinny top rail, anti-rotation tabs, and two integrated steel QD sockets. The rifle adds an ambidextrous safety, an enhanced trigger guard, Magpul MBUS 3 folding sights, and a Magpul MOE SL stock. Colt high-pressure tests and magnetic-particle inspects every bolt, barrel, and barrel extension.
0-10 Scale Across 8 Axes

Cloud Defensive
Cloud Defensive REIN 3.0
1 shared compatibility tags

Streamlight
Streamlight TLR RM 1 HL-X
1 shared compatibility tags

SureFire
SureFire M340C Mini Scout Light Pro
2 shared compatibility tags

Streamlight
Streamlight ProTac 2.0 Rail Mount
2 shared compatibility tags
Add optics, lights, and accessories to build your perfect Colt EPR II Patrol 11.5" SBR (LE6933-EPRII).