Juggernaut Tactical California Compliant AR-15 Rear Detent KIT - Black

Juggernaut Tactical California Compliant Ar-15 Rear Detent Kit - Black - Takedown Pin for AR-15 - view 1

Juggernaut Tactical

Overview

The Juggernaut Tactical California Compliant AR-15 Rear Detent Kit is crafted from 6061-T6 aluminum and features a sleek black finish. This kit includes the necessary components to securely hold the rear takedown pin in place, ensuring your lower receiver maintains its integrity during operation. It's a solid choice for builds that use a mid-length gas system and chamber the 5.56 NATO caliber, making it a reliable addition to your AR-15 setup.

Specifications

MPNRS-JUG-REAR-AR15-BLK
ColorBlack
Material6061-T6 Aluminum

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Build history on GunPartPicker

Builders have been adding the Juggernaut Tactical California Compliant AR-15 Rear Detent KIT - Black to their builds on GunPartPicker since March 2026. All time, it ranks #40 of the 120 takedown pins builders have added. Builds with this takedown pin are mostly chambered in 5.56 NATO (69%, then .223 Wylde 17%), split between mid-length (49%) and carbine-length (28%) gas systems, and mostly AR-15 (93%).

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Read the guide: AR-15 Takedown Pin Guide

Frequently Built With

The part most often added in each category by the 45 builds that include this one

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

92.9%
AR-1592.9%
AR-107.1%

Caliber

68.8%
5.56 NATO68.8%
.223 Wylde16.7%
300 Blackout6.3%
7.62x39mm2.1%
7.62x51 NATO2.1%
Other4.2%

Gas System

48.7%
Mid-Length48.7%
Carbine28.2%
Rifle12.8%
Pistol10.3%

Builds Featuring This Part

See all 11

Builds in the community that include the Juggernaut Tactical California Compliant Ar-15 Rear Detent Kit - Black

BuildPartsTotal
home defense 10.5" 5.56 build
home defense 10.5" 5.56
29$2695.67
LMT 18" .223 Wylde build
LMT 18" .223 Wylde
30$7766.02
yankee hill machine 16" 5.56 build
yankee hill machine 16" 5.56
22$1739.78
KE Arms 16" 5.56 build
KE Arms 16" 5.56
28$3380.34
stag arms 14.5" 5.56 build
stag arms 14.5" 5.56
16$957.03
PDW 14.5" build
PDW 14.5"
16$957.03
home defense 10.3" build
home defense 10.3"
20$2276.91
Second 5.56 build build
Second 5.56 build
25$2030.21
For 2 gun 16" build
For 2 gun 16"
18$976.17
range 8" 5.56 build
range 8" 5.56
30$3244.89
My 5.56 build build
My 5.56 build
29$5321.05

Customer reviews

5.0out of 5

2 global ratings

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Top reviews

S
St1ll_W4ters
Juggernaut CA detent kit fix
Reviewed on March 31, 2026Verified with Build

Juggernaut Tactical California compliant rear detent kit lets me keep a fixed magazine compliant setup with normal takedown function. The kit replaces the rear takedown pin assembly. Black anodize matches mil spec parts. Solid CA compliance fix.

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B
BYERS_REMORSE
CA detent kit
Reviewed on March 19, 2026Verified with Build

kit comes with the captured pin and spring you need for a featureless CA build. the rear detent threading was clean, no thread locker needed since the pin is captured. for those of us stuck in CA this saves a build

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