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Handgun Mainsprings & Backstraps 54 Items

Handgun Mainsprings & Backstraps — 54 Products In Stock / 63 Models

Handgun Mainsprings & Backstraps are purpose-built components designed to deliver consistent performance for the specific needs of recreational shooters, hunters, and professionals. Our lineup includes 54 in-stock products with savings on qualifying orders, and all Brownells brand products backed by our Forever Guarantee®.

We carry Handgun Mainsprings & Backstraps from 20 of the most respected brands in the industry, including SMITH & WESSON, WILSON COMBAT, HECKLER & KOCH, COLT. Verified buyers rate our Handgun Mainsprings & Backstraps 4.4 Ratings out of 310 Reviews from verified buyers, reflecting the durability and craftsmanship that earn repeat purchases.

From the range to the field, every Handgun Mainsprings & Backstraps product we ship meets the standards our customers have trusted since 1939. Continue browsing our full selection of Handgun Frames & Parts for more great products at Brownells.

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ED BROWN - 1911 DROP-IN MAXI-WELL ED BROWN - 1911 DROP-IN MAXI-WELL
5 Stars
(4.6)

$79.99 - $89.99

In stock
RADIAN WEAPONS - BACKSTRAP + MAGWELL COMBO FOR SIG SAUER P365 XMACRO RADIAN WEAPONS - BACKSTRAP + MAGWELL COMBO FOR SIG SAUER P365 XMACRO
5 Stars
(4.3)

$149.95 - $159.95

In stock
BROWNELLS - 1911 MAINSPRING CAP PIN BROWNELLS - 1911 MAINSPRING CAP PIN
5 Stars
(5.0)

$1.99 - $14.99

Select Items In Stock
ED BROWN - FLAT FOR MAINSPRING HOUSING FOR 1911 ED BROWN - FLAT FOR MAINSPRING HOUSING FOR 1911
5 Stars
(4.6)

$49.99 - $54.99

In stock
EGW - GI ARCHED MAINSPRING HOUSING EGW - GI ARCHED MAINSPRING HOUSING
5 Stars
(4.8)

$35.45

In stock
SMITH & WESSON - MAINSPRING FOR S&W K FRAME SMITH & WESSON - MAINSPRING FOR S&W K FRAME
5 Stars
(5.0)

$9.99

In stock
ED BROWN - ARCHED MAINSPRING HOUSING FOR 1911 ED BROWN - ARCHED MAINSPRING HOUSING FOR 1911
5 Stars
(5.0)

$49.99

In stock
WILSON COMBAT - 1911 SMOOTH MAINSPRING HOUSING WILSON COMBAT - 1911 SMOOTH MAINSPRING HOUSING
5 Stars
(3.0)

$48.95

In stock
BROWNELLS - 1911 MAINSPRING HOUSING PIN & RETAINERS BROWNELLS - 1911 MAINSPRING HOUSING PIN & RETAINERS
5 Stars
(5.0)

$0.95 - $5.99

In stock
BROWNELLS - 1911 AUTO MAINSPRING HOUSING REBUILD KIT BROWNELLS - 1911 AUTO MAINSPRING HOUSING REBUILD KIT
5 Stars
(4.9)

$10.99 - $12.99

In stock
FUSION FIREARMS - 1911 CHECKERED STEEL GOVERNMENT MODEL MAINSPRING HOUSINGS FUSION FIREARMS - 1911 CHECKERED STEEL GOVERNMENT MODEL MAINSPRING HOUSINGS
5 Stars
(4.0)

$33.95

Select Items In Stock
ED BROWN - 1911 COMPETITION MAINSPRING ED BROWN - 1911 COMPETITION MAINSPRING
5 Stars
(4.6)

$10.99

In stock
FUSION FIREARMS - 1911 CHECKERED GOVERNMENT MODEL MAGWELL MAINSPRING HOUSINGS FUSION FIREARMS - 1911 CHECKERED GOVERNMENT MODEL MAGWELL MAINSPRING HOUSINGS
5 Stars
(3.8)

$69.99

In stock
WILSON COMBAT - 1911 AUTO "FACTORY PLUS" MAINSPRING PIN RETAINER WILSON COMBAT - 1911 AUTO "FACTORY PLUS" MAINSPRING PIN RETAINER
5 Stars
(4.0)

$3.99

In stock
WILSON COMBAT - 1911 AUTO "FACTORY PLUS" MAINSPRING CAPS WILSON COMBAT - 1911 AUTO "FACTORY PLUS" MAINSPRING CAPS
5 Stars
(4.0)

$2.95 - $3.95

In stock
ISMI - 1911 17LB MAINSPRING ISMI - 1911 17LB MAINSPRING
5 Stars
(5.0)

$8.99

In stock
WILSON COMBAT - 1911 EZ-LOADER MAGWELL WILSON COMBAT - 1911 EZ-LOADER MAGWELL
5 Stars
(4.3)

$30.95 - $33.95

In stock
EGW - MAINSPRING HOUSING EGW - MAINSPRING HOUSING
5 Stars
(5.0)

$44.99

In stock
BROWNELLS - 1911 MAINSPRING CAP BROWNELLS - 1911 MAINSPRING CAP
5 Stars
(5.0)

$1.18 - $6.49

In stock
SMITH & WESSON - J-FRAME MAINSPRING SMITH & WESSON - J-FRAME MAINSPRING
5 Stars
(0.0)

$8.99

In stock
SMITH & WESSON - BACK STRAP, LARGE SMITH & WESSON - BACK STRAP, LARGE
5 Stars
(5.0)

$4.99

In stock
EGW - 1911 TITANIUM MAINSPRING CAP EGW - 1911 TITANIUM MAINSPRING CAP
5 Stars
(3.8)

$11.70

In stock
WILSON COMBAT - 1911 AUTO "FACTORY PLUS" MAINSPRING CAP PINS WILSON COMBAT - 1911 AUTO "FACTORY PLUS" MAINSPRING CAP PINS
5 Stars
(5.0)

$2.95 - $4.99

In stock
Product badge SIG SAUER, INC. - MAINSPRING, BLUE, SS, TWO TONE SIG SAUER, INC. - MAINSPRING, BLUE, SS, TWO TONE
5 Stars
(0.0)

$8.99

In stock
SMITH & WESSON - MAINSPRING FOR S&W 41 SMITH & WESSON - MAINSPRING FOR S&W 41
5 Stars
(0.0)

$6.49

In stock
RUGER - MAINSPRING SEAT, SS RUGER - MAINSPRING SEAT, SS
5 Stars
(0.0)

$6.49

In stock
VOLQUARTSEN - RUGER® MK II™/MK III™ MAINSPRING VOLQUARTSEN - RUGER® MK II™/MK III™ MAINSPRING
5 Stars
(0.0)

$72.90

In stock
WILSON COMBAT - 1911 MAINSPRING HOUSING WILSON COMBAT - 1911 MAINSPRING HOUSING
5 Stars
(4.8)

$48.95 - $50.95

Select Items In Stock
FUSION FIREARMS - 1911 GOV MAINSPRING HOUSING CHAINLINK BLACK FUSION FIREARMS - 1911 GOV MAINSPRING HOUSING CHAINLINK BLACK
5 Stars
(5.0)

$33.95

In stock
SMITH & WESSON - BACK STRAP, SMALL SMITH & WESSON - BACK STRAP, SMALL
5 Stars
(0.0)

$6.49

In stock
NIGHTHAWK CUSTOM - 1911 GOVT FLAT MAINSPRING HOUSING NIGHTHAWK CUSTOM - 1911 GOVT FLAT MAINSPRING HOUSING
5 Stars
(5.0)

$45.99

In stock
FUSION FIREARMS - 1911 GOV MAG-WELL MAINSPRING HOUSING CHAINLINK STAINLESS MATTE FUSION FIREARMS - 1911 GOV MAG-WELL MAINSPRING HOUSING CHAINLINK STAINLESS MATTE
5 Stars
(5.0)

$69.99

In stock
Products:  1  –  32  of 85