A Suppressed Rimfire System: MLR-22 SwitchBolt, BANISH 22 and Form 4 Processing
Last updated: August 22, 2026 · Originally published May 28, 2026
A suppressed rimfire setup is the cheapest way into quiet shooting and the easiest to train with, but it still involves a host, a can and federal paperwork. This walkthrough covers a coordinated build around the Magnum Research MLR-22 SwitchBolt and the BANISH 22, including how Form 4 processing works.
1. The host firearm — Magnum Research MLR-22 SwitchBolt
Magnum Research MLR-22 SwitchBolt ($911 MSRP) is the takedown rimfire host that defines today’s build. Sixteen-and-a-half inch carbon-wrapped barrel. Threaded 1/2×28 muzzle for direct-thread suppressor attachment. Tool-free ambidextrous SwitchBolt action that flips left-right without a gunsmith. Magnum Lite stock geometry on an Archangel folding chassis — the rifle breaks down small enough to ride in a daypack alongside the can.
Magnum Research has been part of Kahr Firearms Group since 2010. The MLR rimfire family inherited the same precision-build standards Magnum applies to the Desert Eagle and BFR lines. The SwitchBolt configuration specifically targets the suppressed-rimfire shooter who wants a takedown rifle that runs subsonic.22 LR all day without the operator-error pitfalls common to mass-market rimfire actions.
2. The suppressor — BANISH 22
BANISH 22Silencer Central) is the multi-caliber rimfire can that pairs directly to the MLR-22’s threaded muzzle. Titanium internals. Aluminum outer tube. User-serviceable for the cleaning intervals rimfire shooters run on.22 LR. Rated for.22 LR.22 WMR.17 HMR, and.22 Hornet from the same can — one suppressor follows the shooter across every rimfire host in the safe.
3. The NFA service — Silencer Central Form 4 processing
The federal $200 NFA tax stamp on suppressors was eliminated January 1, 2026 — there is no stamp cost.
Match-grade consistency lot-to-lot. Shipment is subject to federal, state, and local laws governing the transport of smokeless powder.
5. The powder dispenser — RCBS MatchMaster 98941
The RCBS MatchMaster Powder Dispenser (Model 98941, $774.99 MSRP) is the precision-grade dispenser that the reloading-bench crowd has been migrating onto since RCBS released it. Backlit color screen. Bluetooth pairing with the RCBS app for load tracking. Throws charges within 0.04 grain at production speed — the kind of consistency the beam-scale generation used to trickle the last 0.1 grain by hand for.
6. The tactical medical training — Ranch TX 1-Day Course
One seat in The Ranch TX 1-Day Tactical Medical & Trauma Response Course ($1,050 value). Curriculum covers hemorrhage control, tourniquet application, wound packing, casualty movement, and immediate-response medical decisions in field-relevant scenarios. The Ranch TX facility is the same site Police Week 2026 is staging out of and the location filmed for the Cost of Silence documentary on human-trafficking awareness. Course seat is non-transferable and must be redeemed within twelve months of award.
This is the seat most armed citizens never sit in. The training crowd that runs more dry-fire reps in a year than they run tourniquet drills has been an open observation in the post-Bruen-environment training conversation for years.
7. The maintenance tracker — Armorer App Premium
Armorer App Premium 1-year subscription ($49.99 value). Round-count tracking per firearm. Cleaning schedules. Parts-replacement intervals. Range-day notes. Zero records per platform-and-optic combination. For the suppressed-rimfire shooter especially, tracking round count matters — rimfire cans run dirty, and knowing exactly when a BANISH 22 hits the 500-round disassembly mark or when an MLR-22 SwitchBolt needs its next bore-snake pass turns “I think it’s been a while” into a documented record.
8. The optic — Blackhound Genesis 1-4×24 FFP MOA (personally donated by the XDMAN)
The Blackhound Optics Genesis 1-4×24 FFP MOA ($299.com editor better known to the audience as The XDMAN. True 1× on the low end for fast close-range acquisition. 4× with first-focal-plane MOA reticle subtensions for accurate ranging and holdovers from 100 to 400+ yards. 30mm tube. 80 MOA of total elevation and windage travel. Ships with Blackhound’s lifetime warranty, plus a 30mm Picatinny cantilever mount, lens caps, mounting bubble levels, and all necessary install tools in the box.
The Genesis sits naturally on the MLR-22 SwitchBolt host firearm anchoring this prize and equally at home on AR-platform rifles, lever guns, and the rest of the patrol-and-field-use category James has been running it on in his own builds. The donation is personal — James is contributing the optic outside of any commercial relationship.
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