Sig Sauer SIPMCX556N7BLTB MCX Rattler 5.56mm 7.75″
Sig Sauer
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Sig Sauer SIPMCX556N7BLTB — MCX Rattler LT 5.56mm short-barreled configuration with M-LOK handguard and SIG QD SR flash hider; Package Qty: 1. SKU: SIPMCX556N7BLTB.
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Description
Description
Product Overview
Sig Sauer SIPMCX556N7BLTB is listed as an MCX Rattler LT 5.56mm tactical centerfire semi-auto item with a 7.75″ barrel. Attributes include an M-LOK handguard and a SIG QD SR flash hider. SKU: SIPMCX556N7BLTB. Package quantity: 1.
Why this product
- M-LOK handguard — specified attachment interface for mounting accessories (source: product-271822:f009).
- SIG QD SR flash hider — listed muzzle device attribute indicating the supplied flash hider model (source: product-271822:f010).
Key Verified Specifications
- Brand / Manufacturer: Sig Sauer (source: product-271822:f002, product-271822:f006).
- Model/Stock: SIPMCX556N7BLTB, SKU SIPMCX556N7BLTB (source: product-271822:f013).
- Product category: Tactical Centerfire Semi-Auto Pistols / Pistols / Firearm (source: product-271822:f005, product-271822:f004, product-271822:f003).
- Caliber and barrel length indicated in the existing title: 5.56 with 7.75″ barrel (source: product-271822:f001 existing full string “MCX RATTLER LT 5.56 BLK 7.75\””).
- Package quantity: 1 (Pkg Qty) (source: product-271822:f008, product-271822:f011).
Appropriate Use Cases
- Orders requiring an M-LOK handguard for mounting lights, lasers, or rails (source: product-271822:f009).
- Purchases where the included SIG QD SR flash hider is a specified muzzle device requirement (source: product-271822:f010).
What Customers Should Know
- Confirm legal compliance for short-barreled configurations, barrel length, and other regulated details in your jurisdiction; the product’s existing full title contains abbreviated specs that should be validated with manufacturer documentation (source: product-271822:f001).
- Package Qty is 1; this is a single-unit listing (source: product-271822:f008).
Specifications
- Short Stroke Gas Piston Gas System (Rifle Length)
- 18.6″ Barrel Length ( Mid-Weight style, non-fluted)
- 1:8 Twist Rate Rifling

