SIG Taper Cap - 5.56 1/2-28 Thread TAPER CAP for 5.56 NATO BARRELS with 1/2-28 THREAD. SIG Sauer Taper Cap adapter for 5.56 tapered shoulder barrels with 1/2x28 thread pattern(MPX/MCX). Converts the tapered muzzle to a traditional 90 degree shoulder.

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UPC 00798681545537

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1 offer · 1 in stock · sorted by best price

Retailer	Price	Stock	Last checked	Deal
East Valley Tactical	$24.99	In stock (97)	13m ago	Go to deal

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Description

Sig Sauer Taper Cap, Fits 5.56NATO Barrels with 1/2X28 Thread, Anodized Finish, Black TAPER-CAP-556

Specs

Brand	Sig Sauer
Category	Accessories · Accessories
Caliber	5.56

UPC	00798681545537
Model	MCX/M400
Finishcolor	Anodized

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D.O.P.E.Price history

Lowest price across connected retailers, from every price check we've recorded.

Current best: $24.99
Low: $24.99
High: $24.99
Tracking since: Oct 8, 2026

One price check so far ($24.99 on Oct 8, 2026). The chart fills in as retailers are re-checked.

Recent price checks (1)

Date	Retailer	Price	Stock
Oct 8, 2026, 5:15 PM PT	East Valley Tactical	$24.99	In stock

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