Milwaukee M18 FUEL HACKZALL Kit (2719-21) review

A one-handed M18 HACKZALL kit, not merely a tool-only photo

The 2719-21 is Milwaukee's M18 FUEL HACKZALL kit configuration, separate from the 2719-20 tool-only package. Its live U.S. product page lists the saw kit, one M18 XC5.0 REDLITHIUM battery pack, one M18/M12 multi-voltage charger and a contractor bag. The battery and charger may be redundant for an M18 owner; for someone building that system, they are part of the documented box. The live list does not name a blade or hard case. Milwaukee's 2018 Cordless Catalog did list a blade with this kit, but its 2021 catalog and the current exact product page do not. Treat a blade as unconfirmed for a present offer and verify older or marketplace stock against the exact box list.

Milwaukee describes the saw as compact and one-handed, with a POWERSTATE brushless motor, a 7/8-inch stroke, a pivoting shoe and dual-gear counterbalance. Those are maker-described features, not independent findings about cut speed, vibration, fatigue or runtime. The live kit page identifies the in-box saw as the 2719-21 kit rather than repeating its bare-saw code. Milwaukee's 2021 Cordless Catalog pairs that kit with the 2719-20 tool-only version, which supports using the 2719-20 operator manual for the base saw. The kit page's Manuals and Parts List controls route to a 2719-21 documentation search; the archived result page contains no query-specific file. That is a limit of this captured lookup, not proof that no newer document exists, so the manual link here is a catalog-supported tool-body bridge rather than a claim that a separate 2719-21 manual was located.

What the included tool is documented to do

The exact kit page's description supports the one-handed format, brushless motor, 7/8-inch stroke, M18 battery compatibility and pivoting shoe. Milwaukee's separate operator manual for the M18 FUEL HACKZALL catalog no. 2719-20 gives an 18-volt M18 supply and 0–3,000 no-load SPM, and describes a Quik-Lok blade clamp for 1/2-inch universal HACKZALL and SAWZALL blades. It specifies a minimum blade length of 3-1/2 inches. Although the live box list does not repeat the bare-saw code, Milwaukee’s 2021 catalog pairs the kit with 2719-20, and that is the model on the operator manual cited here. If the tool nameplate or supplied manual identifies a different body, follow that exact instruction set instead.

The same manual calls for removing the battery before changing a blade, confirming that the blade is locked and keeping enough blade beyond both shoe and work throughout the stroke. It says to hold the shoe flat against the work and to begin metal cuts slowly. Those practical limits matter even with a compact one-handed body: support the stock, maintain shoe contact and choose an appropriate blade for the material. The manual's use of the shoe as a pivot in plunge-cut guidance is not evidence that the shoe has multiple adjustment positions. The exact product material reviewed also does not establish selectable orbital action.

The package is the main difference from 2719-20

The current 2719-21 page itemizes the XC5.0 pack, M18/M12 charger and contractor bag with the saw kit, but does not name the charger model or list a blade or hard case. The 2021 catalog confirms the 2719-20 body pairing and likewise lists battery, charger and bag without a blade; the 2018 catalog still showed a blade. For an offer described as new current stock, use the live exact page as the best available package list. For an older or third-party listing, inspect the actual written contents rather than assuming that the blade carried over. The kit page's first image has an alt label saying “7219-21,” which mismatches the page SKU, so it is not used to identify the package. The review image instead shows the HACKZALL body from the exact 2719-20 page; it is not a picture of all the kit contents.

Buyers should compare exact suffixes and written package lines, not infer kit contents from a battery attached to a tool photo. If you already own a compatible M18 charger and XC battery, the added contents may duplicate what you have. If you do not, verify that the listed 5.0Ah pack and multi-voltage charger are actually supplied by the seller under model 2719-21. There is no price, inventory or retailer-status claim here.

Limits that remain open

The 2719-21 product page and the reviewed 2719-20 manual do not provide a coherent exact bare-tool weight for this kit configuration. A manufacturer category-card snapshot has conflicting weight fields, so the tool's bare mass is left unknown for a strict weight limit. A kit weight is not a substitute for bare-tool weight, and an attached pack changes the handling arrangement. The material reviewed also does not establish an adjustable shoe, orbital selector, hang hook, or measured cut rate. Milwaukee's stated “up to” performance comparisons are marketing statements, not a controlled test in this review.

This kit makes sense to assess when a compact one-handed M18 reciprocating saw is the required format and the included XC5.0 battery, charger and contractor bag match the buyer's equipment plan. It is a poor match if the buyer needs a numeric verified bare-tool weight, a particular blade or hard case confirmed in the box, an adjustable shoe, or a documented orbital mode. No saw was owned or used; the assessment is based on the exact Milwaukee kit page, the 2719-20 tool-family manual and the associated manufacturer listing record.

Milwaukee 2719-21 kit page · 2021 Milwaukee Cordless Catalog (kit/body pairing) · 2018 Milwaukee Cordless Catalog (earlier package list) · Milwaukee 2719-21 Manuals and Downloads query · M18 FUEL HACKZALL 2719-20 operator manual