.22 LR ''BENTZ'' SEMI-AUTO MATCH REAMER F22BENTZ

The Clymer .22 LR “BENTZ” Semi-Auto Match Reamer (F22BENTZ) is a professional-grade rimfire chamber reamer engineered specifically to cut the proven .22 LR Bentz semi-auto match chamber. Designed for gunsmiths and serious rimfire enthusiasts, this reamer helps you create tighter, more precise chambers that reliably feed true match-grade ammunition in semi-auto .22 LR rifles—delivering improved accuracy without sacrificing function. Brownells UK+2Brownells UK+2 If you’re building or rebarreling a precision .22 LR, or upgrading factory barrels for better performance in platforms like Ruger 10/22–style rifles and other semi-auto rimfires, the F22BENTZ is the proven tool of choice. Brownells+1 What Is a .22 LR Bentz Semi-Auto Match Reamer? The Bentz chamber is a semi-auto match chamber design that sits between a loose SAAMI “sporting” chamber and a very tight bolt-gun match chamber. It’s specifically optimized so that: Match ammo chambers reliably in semi-auto rifles Chamber dimensions are tighter than standard factory .22 LR chambers, enhancing accuracy Feed reliability remains high with quality, true .22 LR match-spec ammunition mansonreamers.com+2mansonreamers.com+2 The Clymer .22 LR “BENTZ” Semi-Auto Match Reamer is ground to this geometry so you can cut or re-cut chambers that take full advantage of match ammo while maintaining semi-auto function. Key Features – Clymer .22 LR “BENTZ” Semi-Auto Match Reamer F22BENTZ Manufacturer: Clymer LG Outdoors Website+2Yellowstone Armory+2 Model / Part Number: F22BENTZ LG Outdoors Website+2Yellowstone Armory+2 Cartridge: .22 Long Rifle (listed as 22 Long / AEE_22 Long in specs) gunsafeclub.com+3LG Outdoors Website+3Egoods365+3 Style: Match rimfire, Bentz semi-auto chamber Brownells UK+2Brownells UK+2 Material: M-7 tool steel for durability and edge retention Brownells UK+1 Type: Finish reamer only – for final chamber dimensions and surface finish Brownells UK+1 Shank: 1/4" diameter round shank – fits common reamer/tap handles and floating holders Brownells UK+1 Application: Cutting .22 LR Bentz semi-auto match chambers in rimfire barrels Ensures Reliable Chambering of True Match Ammo in Semi-Auto Guns One of the defining benefits of the F22BENTZ is that it “ensures reliable chambering of true, MATCH ammo in semi-auto guns.” Brownells UK+3Primary Tactical+3Yellowstone Armory+3 What that means in practice: Match-grade .22 LR ammunition (typically built to tight, consistent tolerances) seats properly and consistently The chamber supports enhanced accuracy and more uniform velocities Semi-auto cycling remains dependable when the gun is properly tuned and maintained For builders and gunsmiths who work on competition rimfire rifles, steel challenge rigs, or precision plinkers, a Bentz chamber is often the go-to choice because it strikes that critical balance between accuracy and reliability. M-7 Tool Steel Construction – Built for Professional Use Clymer builds this semi-auto match reamer from M-7 high-speed tool steel, chosen for: Brownells UK+1 Excellent toughness and wear resistance under continuous cutting The ability to hold a sharp cutting edge over many barrels when properly lubricated and used Stability and dimensional integrity under heat generated during cutting For a gunsmith, that translates into long service life and consistent, smooth-cutting chambers barrel after barrel. Finish Reamer Only – For Final Match Chamber Dimensions The Clymer .22 LR Bentz F22BENTZ is a finish reamer, not a rougher. Brownells UK+1 That means it’s designed to: Bring the chamber to its final dimensions and surface finish Provide a smooth, uniform interior that enhances extraction and accuracy Follow prior boring or rough-reaming operations where heavy metal removal has already been done (if required) If you’re converting or re-cutting a factory .22 LR semi-auto barrel, this finish reamer is the tool you use at the final stage to deliver that precise Bentz chamber. 1/4" Round Shank – Compatible with Common Reamer Holders The reamer features a ¼" diameter round shank, making it compatible with: Brownells UK+1 Standard reamer and tap handles Many floating reamer holders used in lathe setups Gunsmithing fixtures designed for rimfire barrel work This ensures you can integrate the F22BENTZ into your existing tooling and chambering workflow with minimal adaptation. Why Choose a .22 LR Bentz Chamber for Semi-Auto Rifles? Compared to a loose factory sporting chamber, a Bentz match chamber can offer: mansonreamers.com+2mansonreamers.com+2 Improved accuracy – tighter control of case alignment and bullet transition into the rifling More consistent headspacing and bullet seating Better performance with premium match ammo that benefits from reduced “slop” in the chamber At the same time, it is less tight than a bolt-gun only match chamber, helping to preserve: Feeding reliability in semi-autos Practical performance in real-world conditions (heat, fouling, varied lots of ammo) That makes the Clymer F22BENTZ particularly attractive for Ruger 10/22-style builds, custom race guns, and high-end semi-auto rimfires used in competition and serious target work. Ideal Users & Applications The .22 LR “BENTZ” Semi-Auto Match Reamer F22BENTZ is ideal for: Professional gunsmiths offering precision rimfire barrel chambering services Builders of custom semi-auto .22 LR match rifles Competitive shooters upgrading their own barrels under professional supervision Shops specializing in Ruger 10/22, semi-auto match trainers, steel challenge, and NRL22-style builds If your goal is to deliver match-grade performance from a semi-auto .22 LR while keeping function reliable with true match ammunition, this is the chamber reamer you’ll reach for again and again. Technical Summary – Clymer .22 LR “BENTZ” Semi-Auto Match Reamer Product: .22 LR “BENTZ” Semi-Auto Match Reamer Manufacturer: Clymer LG Outdoors Website+2Yellowstone Armory+2 Model / Mfg Part #: F22BENTZ Egoods365+3LG Outdoors Website+3Yellowstone Armory+3 Cartridge: .22 LR (22 Long / AEE_22 Long) gunsafeclub.com+3LG Outdoors Website+3Egoods365+3 Chamber Style: .22 LR Bentz semi-auto match rimfire Brownells UK+2Brownells UK+2 Material: M-7 tool steel Brownells UK+1 Reamer Type: Finish reamer only Brownells UK+1 Shank: 1/4" diameter round shank Brownells UK+1 Intended Use: Cutting precise, tight .22 LR Bentz match chambers for semi-auto rifles using true match ammunition Why Buy the .22 LR “BENTZ” Semi-Auto Match Reamer F22BENTZ? If you’ve been searching for “.22 LR Bentz semi-auto match reamer,” “Clymer F22BENTZ,” or the best way to cut a Bentz match chamber in your .22 LR semi-auto, this reamer stands out because it offers: Clymer quality and proven geometry for the classic Bentz semi-auto match chamber Tough, long-lasting M-7 tool steel construction A finish reamer design that delivers smooth, precise chamber surfaces A versatile ¼" round shank compatible with common gunsmithing tooling The ability to enhance accuracy and reliability in semi-auto .22 LR rifles using true match ammo For gunsmiths and builders serious about rimfire performance, the Clymer .22 LR “BENTZ” Semi-Auto Match Reamer F22BENTZ is a cornerstone tool in any precision rimfire shop. The End