Mainspring Parts

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  • MAINSPRING, BLUE, SS, TWO TONE SIG SAUER
    $6.99

    Item Code: #453217907

    Availability: In stock

    FITS: P220, .45 ACP; P226, 9mm, .357/40; P228, 9mm; P229, .357/40, 9mm; P245, .45 Big Book Catalog, Issue:68, Page:659 Big Book Catalog, Issue:68, Page:660 Big Book Catalog, Issue:68, Page:661 Big Book Catalog, Issue:68, Page:662
  • P14/P16 FULL PARA MAGWELL ARCHED SMITH & ALEXANDER
    $95.95

    Item Code: #453217907

    Availability: In stock

    1911, Issue:09, Page:022 Big Book Catalog, Issue:66, Page:112 Sinclair, Issue:1A, Page:022
  • SW-MS-222 MAINSPRING FOR S&W K,L,N FRAME REVOLVER BROWNELLS
    $16.72 - $153.43

    Item Code: #453217907

    Availability: In stock

    "Guaranteed Superior"Lighter than stock Power Rib mainspring. 1 spring or 10 spring packages. Big Book Catalog, Issue:69, Page:232
  • 1911 TITANIUM MAINSPRING CAP EGW
    $12.99 - $21.67

    Item Code: #453217907

    Availability: In stock

    Light Weight Helps Decrease Lock TimeUse as an integral part of a lightweight ignition system to reduce overall lock time and increase accuracy. Machined from solid titanium for strength and long service life. 1911, Issue:11, Page:020 Big Book Catalog, Issue:69, Page:114 Sinclair, Issue:1A, Page:019
  • 1911 SERRATED MAINSPRING HOUSING JOHN MASEN
    $17.99 - $18.99

    Item Code: #453217907

    Availability: In stock

    Solid Steel, Serrated, OEM-Style Replacement HousingsAn exact reproduction of the original factory mainspring housing, complete with vertical serrations that help improve grip but won't grab clothing. Finish-machined from a solid-steel casting; excellent for restoring or building any 1911. 1911, Issue:11, Page:022 Big Book Catalog, Issue:69, Page:116 Sinclair, Issue:1A, Page:021
  • 1911 CHECKERED GOVERNMENT MODEL MAGWELL MAINSPRING HOUSINGS FUSION FIREARMS
    $67.90 - $79.95

    Item Code: #453217907

    Availability: In stock

    Fusion Firearms, 1911 Checkered Mainspring housing MagWell in Stainless Steel, matte, polished, or black finish. It includes a Bar stock machined Mainspring housing & MagWell, CNC Machined parts from Stainless Steel Bar stock, NO-MIM. These are Top Quality Professional Series Parts; Made from the best materials and processes available in today's market. 2 piece Dovetail base well with set screw. This is a Pro-Series Checkered pattern 25 LPI mainspring housing. All Machined from Stainless steel bar stock and great looking and feeling cut checkered pattern. These are as nice as they get. Will work for full size and commander size 1911 pistols.

    Big Book Catalog, Issue:69, Page:115
  • RUGER® MK II™/MK III™ MAINSPRING VOLQUARTSEN
    $68.00 - $69.99

    Item Code: #453217907

    Availability: In stock

    Complete mainspring assembly designed for the Ruger® MK II™ or MK III™. Mainspring components are wire EDM-cut and CNC-machined. Volquartsen mainspring does not feature the lock feature found on the Ruger® factory MK III™ Mainspring.

    Big Book Catalog, Issue:69, Page:223
  • 1911 MAINSPRING HOUSING LES BAER CUSTOM
    $38.99

    Item Code: #453217907

    Availability: In stock

    Machined After Casting For A Tight, Wobble-Free FitPuts an end to the unsightly gap bet- ween the mainspring housing and the frame. These are the same flat, serrated housings Les uses on his own custom 1911 Auto pistols. Cast oversized, then finish machined for a tight, gap-free fit on all commercially-available 1911 Auto frames. 1911, Issue:11, Page:022 Big Book Catalog, Issue:69, Page:115 Sinclair, Issue:1A, Page:020
  • 1911 MAGWELL & MAINSPRING HOUSING KITS STAN CHEN CUSTOMS
    $49.99 - $189.99

    Item Code: #453217907

    Availability: In stock

    Easier, Faster Reloads & Improved Grip Matched magazine well and mainspring housing aid in fast, positive mag changes without adding bulk to the pistol. Cutout on the front of the magwell speeds removal of stuck mags. Arched mainspring housing lets the web of the hand rest comfortably on the grip safety without pinching, and the smooth surface won’t snag clothing or holster during carry. Machined from chrome-moly or stainless steel bar stock, and heat treated to Rc 28-32 for extra strength. BevelBlock™ mainspring housing has an angled rear bevel for a gap-free fit with the magwell. Kits available in easy-to-install. Weld/Solder model. Installation requires machining the pistol frame and minor modification to standard grip panels. MaxBevel mainspring housing provides a longer magwell opening for easy reloading without adding bulk. Extra metal at the rear bevel allows shaping to a seamless fit in the factory magwell. Helps the shooter hit the “sweet spot” at the rear of the magwell during combat reloads.

    1911, Issue:11, Page:023 Big Book Catalog, Issue:69, Page:116 Sinclair, Issue:1A, Page:022
  • 1911 V-GRIP MAINSPRING HOUSING WILSON COMBAT
    $46.99 - $48.99

    Item Code: #453217907

    Availability: In stock

    Fully Checkered, Consistent High GripFully machined, drop-in mainspring housing keeps your hand in the proper position. Forces the web of the hand high into a beavertail-style grip safety. Fully checkered for a positive grip. 1911, Issue:11, Page:022 Big Book Catalog, Issue:69, Page:116 Sinclair, Issue:1A, Page:021
  • 1911 COMPETITION MAINSPRING ED BROWN
    $8.99

    Item Code: #453217907

    Availability: In stock

    Lighter Mainspring For Match-Quality TriggersTop-quality springs assure consistent, reliable ignition plus, dependable performance. Provides the lower- weight absolutely necessary to achieve the clean-breaking, lighter-feeling trigger sought after by 1911 aficionados everywhere. 1911, Issue:11, Page:031 Big Book Catalog, Issue:69, Page:124 Sinclair, Issue:1A, Page:030
  • SIG MAINSPRING KIT WOLFF
    $9.00

    Item Code: #453217907

    Availability: In stock

    Reduces Trigger Pull, Improves AccuracyThree, reduced power springs for tuning and smoothing felt trigger pull. Fits the newer P-220, P-226 and P-229Õs that use a short mainspring with a plastic, hammer spring base insert. Contains 1 each of 17, 18, and 19 lb., reduced power, mainsprings. P-220 factory spring is 22 lb. P-226 and P-229 factory spring is 24 lb. Big Book Catalog, Issue:69, Page:222
  • LIGHTWEIGHT MAGWELL for GLOCK® CALIFORNIA COMP. WORKS
    $44.99

    Item Code: #453217907

    Availability: In stock

    Lightweight Delrin Matches Grip Frame Perfectly Enlarges the mag well opening for faster mag changes; funnels the magazine right into the chute. Machined from lightweight Delrin material that provides a perfect match to the Glock® grip frame. Thin profile doesn't add much bulk or weight; great on carry pistols. Securely held in place with a single screw; requires drilling only one hole in the rear of the grip frame for installation.

    “GLOCK” is a federally registered trademark of Glock, Inc. and is one of many trademarks owned by Glock, Inc. or Glock Ges.m.b.H.  Brownells is an independent dealer of parts and accessories for Glock® pistols, and is not affiliated with or endorsed by Glock, Inc. or Glock Ges.m.b.H.  The use of Glock on this page is merely to advertise the sale of Glock parts or components.  As indicated in the product descriptions, not all parts and accessories on this site are official Glock products. Big Book Catalog, Issue:69, Page:214
  • 1911 LANYARD MAINSPRING HOUSING GUNCRAFTER
    $59.99

    Item Code: #453217907

    Availability: In stock

    Helps Keep Your Sidearm At Your SideSteel, flat mainspring housing has an integral lanyard loop, letting you keep your 1911 securely attached to your duty gear. Helps prevent unauthorized removal of sidearm, and gives your pistol a classic, military look. Fits government model 1911 pistols. 1911, Issue:11, Page:022 Big Book Catalog, Issue:69, Page:115 Sinclair, Issue:1A, Page:020
  • STI/SVI MAGAZINE WELL EGW
    $49.99

    Item Code: #453217907

    Availability: In stock

    Easy, Drop-In Installation For STI & SVI Frames Oversized, lightweight aluminum well for easy, positive reloads. Installs in original magazine well with longer mainspring housing pin supplied. Does not require alterations to frame. Caspian slides over frame lips for a very snug, friction fit.

    1911, Issue:11, Page:023 Big Book Catalog, Issue:69, Page:116 Sinclair, Issue:1A, Page:021
  • NEW VAQUERO®/BLACKHAWK® REDUCED POWER HAMMER SPRINGS WOLFF
    $4.95 - $8.95

    Item Code: #453217907

    Availability: In stock

    For A Smooth Action, Fast Follow-Up Shots, Helps Improve Accuracy Lighter than the 17-lb. factory spring for smoother, easier cocking. Available individually in 14-, 15-, and 16-lb. weights, or in a Pak with one of each, so you can try all three to find the weight that works best in your gun.

    Big Book Catalog, Issue:69, Page:233
  • SW-MS-223 MAINSPRING FOR S&W K,L,N FRAME REVOLVER BROWNELLS
    $16.72

    Item Code: #453217907

    Availability: In stock

    "Guaranteed Superior"Power Rib mainspring that duplicates the factory spring's rate. 1 spring packages.

    Big Book Catalog, Issue:69, Page:232
  • 1911 CHECKERED ALLOY GOVERNMENT MAINSPRING HOUSINGS FUSION FIREARMS
    $36.95

    Item Code: #453217907

    Availability: In stock

    Fusion Pro-Series Aluminum alloy Light weight Mainspring Housing, Standard Government size. So this will fit all 1911 pistols full size, commander and Clones. CNC Machined from aluminum alloy bar-Stock, With 25 lpi Checkered back. Clear coated to resist corrosion.  All CNC machined in the USA,.  No MiM, No Cast, ALL Solid CNC Machined Bar-Stock.

    Big Book Catalog, Issue:69, Page:115
  • 1911 SMOOTH MAINSPRING HOUSING WILSON COMBAT
    $46.99 - $48.99

    Item Code: #453217907

    Availability: In stock

    The addition of this Mainspring Housing is a great way to improve the grip and appearance of your 1911 Auto. You'll be amazed at the quality of this part. It's fully machined from bar stock with a smooth blue or stainless steel finish.

    1911, Issue:11, Page:023 Big Book Catalog, Issue:69, Page:116
  • MAINSPRING SMITH & WESSON
    $5.99

    Item Code: #453217907

    Availability: In stock

    FITS: K Frame - Common Parts, .38; 581, .357; 586, .357; 681, .357; 686, .357; 696, .44 Spl; 24, .44 Spl; 25-2, .45 ACP; 25-5, .45 LC; 27-4, .357; 28, .357; 29-3, .44 Mag; 57-1, .41 Mag; 610, .10mm; 624, .44 Spl; 625, .45 ACP; 627, .357; 62 Big Book Catalog, Issue:68, Page:681 Big Book Catalog, Issue:68, Page:684 Big Book Catalog, Issue:68, Page:685 Big Book Catalog, Issue:68, Page:686 Big Book Catalog, Issue:68, Page:687 Big Book Catalog, Issue:68, Page:688 Big Book Catalog, Issue:68, Page:689 Big Book Catalog, Issue:68, Page:690
  • 1911 PLAIN GOVERNMENT MAGWELL MAINSPRING HOUSINGS FUSION FIREARMS
    $67.95 - $79.95

    Item Code: #453217907

    Availability: In stock

    Fusion Firearms, 1911 Plain Mainspring housing MagWell in Stainless Steel, Matte, polished, and black finish. It includes a Bar stock machined Mainspring housing & MagWell, CNC Machined parts from Stainless Steel Bar stock, NO-MIM. These are Top Quality Professional Series Parts; Made from the best materials and processes available in today's market. 2 piece Dovetail base well with set screw. This is a Pro-Series Plain mainspring housing. All Machined from Stainless steel bar stock and great looking and feeling plain back pattern. These are as nice as they get. Will work for full size and commander size 1911 pistols.

    Big Book Catalog, Issue:69, Page:115
  • COMPETITION MAGWELL FOR GLOCK® T.H.E. ACCESSORIES
    $74.95

    Item Code: #453217907

    Availability: In stock

    Oversized magwell guides the magazine into the gun quickly and smoothly to eliminate fumbling during reloads. Helps you make mag changes without taking your eyes off the target, and aids in maintaining a consistent hand position on the grip. Installs in minutes by inserting the brass channel insert in the bottom of the grip behind the magazine well and locking it with the machine screw (hex wrench included). Requires no permanent modification to pistol; remove and return to factory configuration at any time. Brass insert adds weight to aid in recoil control for faster follow-up shots. Will NOT fit generation 4 models.

    “GLOCK” is a federally registered trademark of Glock, Inc. and is one of many trademarks owned by Glock, Inc. or Glock Ges.m.b.H.  Brownells is an independent dealer of parts and accessories for Glock® pistols, and is not affiliated with or endorsed by Glock, Inc. or Glock Ges.m.b.H.  The use of Glock on this page is merely to advertise the sale of Glock parts or components.  As indicated in the product descriptions, not all parts and accessories on this site are official Glock products. Big Book Catalog, Issue:69, Page:215
  • 1911 MAINSPRING CAP PIN BROWNELLS
    $2.09 - $12.99

    Item Code: #453217907

    Availability: In stock

    U.S.-Made Parts For The 1911 Auto PistolEach and every part is U.S.-made, high-quality and guaranteed to fit and function just like the factory part. 1911, Issue:11, Page:033 1911, Issue:11, Page:034 Big Book Catalog, Issue:69, Page:126 Big Book Catalog, Issue:69, Page:127 Sinclair, Issue:1A, Page:031 Sinclair, Issue:1A, Page:033
  • 1911 PLAIN STEEL GOVERNMENT MODEL MAINSPRING HOUSINGS FUSION FIREARMS
    $29.95 - $32.95

    Item Code: #453217907

    Availability: In stock

    Fusion Pro-Series, Stainless steel  Mainspring Housing, for Full Size Government size 1911 frames. CNC Machined from Stainless Steel  bar-Stock, With plain smooth back. Matte finished.  Will fit most all 1911 full size 5 inch Government pistols and Commander size pistols and Clones. All CNC machined in the USA,.  No MiM, No Cast, ALL Solid CNC Machined Bar-Stock.

    Big Book Catalog, Issue:69, Page:115
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