This listing is for one (1) factory new Smith & Wesson M&P Shield Plus magazine spacer, for 13-round magazines only.
⚠️ Compatibility Notice: This spacer is designed ONLY for M&P Shield Plus 13-round magazines. It will NOT fit Shield 1.0, Shield 2.0, Shield Plus 10-round, or any other S&W magazine.
Part Details
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Part Number: 3012948
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Condition: Factory New (OEM)
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Material: Precision-molded polymer
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Caliber: 9mm
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Magazine Capacity: 13-round only
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Function: Maintains proper spring tension and spacing within the magazine body for reliable feeding
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Fits: See compatibility chart below
Model Compatibility
| Model |
Caliber |
Magazine |
Compatible |
| M&P Shield Plus |
9mm |
13-round |
✓ Yes |
| M&P Shield Plus |
9mm |
10-round |
✗ No |
| M&P Shield 1.0 |
Any |
Any |
✗ No |
| M&P Shield 2.0 |
Any |
Any |
✗ No |
| M&P Shield .40 S&W |
.40 S&W |
Any |
✗ No |
| M&P Full Size / Compact |
Any |
Any |
✗ No |
Verify your exact magazine model and capacity before ordering. Contact us if you are unsure of compatibility.
Installation Note
Magazine spacer replacement requires magazine disassembly. Proper spring tension and reliable feeding must be verified after installation. Factory replacement parts are manufactured to original S&W specifications and tolerances.
We stock OEM Smith & Wesson pistol and revolver parts — new, new old stock, and used. Questions? Email or call us for all your S&W needs.