Manson Precision NG221REM .221 Rem Fireball/.300 AAC Blackout NO-GO Headspace Gauge Steel

Gauge guardian: Manson NG221REM. Precision .221 Remington Fireball .300 AAC Blackout NO-GO headspace gauge hardened steel ultimate maximum chamber limit SAAMI spec AR-15 SBR PCC suppressed builds custom barrels gunsmith critical pairs with GO gauge flags excessive headspace prevents case failures subsonic reliability accuracy .300 BLK .221 Fireball.

Manson NG221REM

• .221/.300 NO-GO: Limit lord.
• Steel Rugged: Fail finder.
• SAAMI Max: No-go notice.
• Safety Sentinel: Stretch stop.
• AR Pistol Cal: Chamber check.
• Suppressor Safe: Sub secure.

Blackout NO-GO

Alert— Fireball alert.

Specs NG221REM

Spec	Details
Model	NG221REM Headspace Gauge
Caliber	.221 Rem Fireball / .300 AAC Blackout
Type	NO-GO Gauge (Maximum)
Material	Hardened Steel
Use	Headspace Verification AR Builds
Standard	SAAMI

Gauge Gatekeeper

Flag— Excess flag.

Uses

• .300 Blackout: Whisper warn.
• SBR Chambers: Compact caution.
• Custom Barrels: Fireball fine.

NG221REM Blackout Barrier

"NG221REM open!" over. "Gauge value," victory. NG221REM 4.9/5.

Detects danger. Demands discipline.

Manson Precision .221 Fireball/.300 Blackout NO-GO Gauge: NG221REM.

The End