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# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Home Manufacturers Sprinco USA

Sprinco USA

Sprinco USA Rifle Parts
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Sprinco USA Products

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SPRINCO USA SPRING KIT-XXP BUFFER SPRING & XP 5-COIL EXTRACTOR SPRING
M4 CARBINE CS SPRING KIT

SPRINCO USA

In stock

£39.90 *

The Orange extra extra power buffer spring is designed for heavy calibers like .308 / 6.5 CM / .260 Rem in carbine DPMS Pattern applications.
It is suitable for use with standard 7" depth M4 extension tubes and short 2.5" buffers, including aftermarket "heavy buffers".
The spring is also beneficial for tuning over-gassed carbines of any equivalent heavy calibers in AR-10 pattern tubes with 3.25" buffers or for lesser calibers such as 5.56.

SPRINCO USA AR-15 BOLT RING / GAS RING 9PK
AR-15 BOLT & GAS RINGS

SPRINCO USA

In stock

£15.90 * £8.90 - £15.90*

Gas Rings

SPRINCO USA UPGRADE KIT-4-COIL EXTRACTOR SPRING, INSERT, O-RING
M16/M4 EXTRACTOR SPRING UPGRADE KITS

SPRINCO USA

In stock

£12.90 * £12.90 - £23.90*

Extractor Springs

Sprinco's Extractor Springs are made from heat treated, stress relieved, and cryogenically processed chrome silicon wirestock, and are plated with molybdenum disulfide for enhanced performance.
The 5-Coil spring offers a heavier load than OEM springs, eliminating the need for additional rings, and is reliable for all 5.56 barrel lengths, though it may be too strong for certain bolts.
The 4-Coil springs are designed for extended duty cycles and are recommended for barrels over 18 inches, especially for those who reload their brass.

SPRINCO USA AR .308 BOLT RING/GAS RING 9-PK
AR .308 BOLT & GAS RINGS

SPRINCO USA

In stock

£16.90 * £9.90 - £16.90*

Gas Rings

SPRINCO USA SPRING UPGRADE KIT-XP 5-COIL EXTRACTOR SPRING/INNER SPRING
AR .308 DUAL EXTRACTOR CS SPRING UPGRADE KITS

SPRINCO USA

In stock

£14.90 * £14.90 - £24.90*

Extractor Springs

SPRINCO USA's AR .308 Dual Extractor CS Spring Upgrade Kits feature heat-treated, stress-relieved, and cryogenically processed chrome silicon wirestock springs with molybdenum disulfide plating.
The XP 5-Coil spring offers a heavier load than OEM springs, eliminating the need for D-Fender™ rings or CRANE Viton O-Rings, and is suitable for all 5.56 BBL lengths.
These springs maintain performance under extreme duty cycles and temperatures up to 750°F, and the dual spring XP .308 sets can be used with or without CRANE O-rings.

SPRINCO USA XP 5-COIL XP BOLT EXTRACTOR CS SPRING, 3-PAK
M16/M4 BOLT EXTRACTOR SPRINGS

SPRINCO USA

In stock

£19.90 * £9.90 - £19.90*

Extractor Springs

Sprinco's XP 5-Coil extractor springs have a heavier load than OEM springs, eliminating the need for D-Fender™ rings or CRANE O-Rings.
The springs are made from heat-treated, stress-relieved chrome silicon wirestock and can withstand temperatures up to 750°F.
Designed for durability and performance, these springs may be the only extractor springs needed for the lifetime of your bolt.

SPRINCO USA REDUCED POWER KIT BUFFER 4-COIL BOLT EXTRACTOR SPRING
M4 CARBINE CS REDUCED POWER SPRING KITS

SPRINCO USA

In stock

£39.90 * £36.90 - £39.90*

The Yellow spring is approximately 20% lighter than the White spring, designed in collaboration with ammunition manufacturers and gunsmiths.
For guns requiring a lighter spring, it's recommended to enlarge the gas port for better reliability.
The Yellow spring is suitable for low power SRTA and SIMS Rounds in training operations.

SPRINCO USA ENHANCED HAMMER SPRING
AR-15/M4 ENHANCED HAMMER SPRING

SPRINCO USA

In stock

£11.90 *

Hammer Springs

SPRINCO USA M16 RIFLE CS BUFFER SPRING STAND-ALONE
M16 RIFLE CS STANDARD SPRING KIT

SPRINCO USA

In stock

£36.90 * £36.90 - £39.90*

The Green spring is suitable for A1/A2 fixed stock rifles with rifle length buffers and is optimized for lesser calibers like .223, 5.56, and others.
It can also be used in VLTOR A5 buffer tubes and may be appropriate for heavier calibers with long barrels when combined with H2 or H3 carbine buffers.
For over gassed heavier caliber guns with rifle length tubes, SPRINCO USA recommends their Red or Orange carbine springs with a standard carbine buffer and spacer.

SPRINCO USA ENHANCED SUPER DUTY EJECTOR SPRING- STANDARD POWER
AR .308 ENHANCED SUPER DUTY EJECTOR SPRINGS

SPRINCO USA

In stock

£9.90 * £9.90 - £22.90*

Ejector Springs

Sprinco's Ejector Springs are made from heat-treated, stress-relieved chrome silicon wirestock with added cryogenic processing for durability.
The springs are coated with a re-micronized molybdenum disulfide formulation for enhanced performance.
These ejector springs are designed to withstand temperatures up to 750ºF and maintain performance over an extreme length duty cycle.

SPRINCO USA M4 CARBINE ENHANCED BUFFER SPRING
M4 CARBINE CS ENHANCED SPRING KITS

SPRINCO USA

In stock

£36.90 * £36.90 - £39.90*

The Blue spring has approximately 15% greater load than the White spring, tailored for high-performance demands.
Mike Pannone of CTT Solutions influenced the production of the Blue spring, which is suitable for a range of specimen platforms.
While often paired with an H2 or ST-T2 buffer for 14.5 - 16” ML carbines, the optimal setup can vary due to diverse gas port values.

SPRINCO USA SPRING KIT-BUFFER&XP 5-COIL BOLT EXTRACTOR SPRING
M4 CARBINE CS INTERMEDIATE SPRING KITS

SPRINCO USA

In stock

£39.90 * £34.90 - £39.90*

The Hot White spring was an accidental production between White and Blue spring loads but became a valuable tuning solution.
Customers seeking an intermediate spring performance found the Hot White spring to perfectly meet their needs.
It's a good choice for those preferring Mil-Spec carbine springs, enhancing performance in most situations.

SPRINCO USA PROG. RECOIL SPRING 10LB.
1911 PROGRESSIVE RECOIL SPRING

SPRINCO USA

In stock

£14.90 *

Recoil Springs

SPRINCO USA 308 M4 EXTENSION TUBE CS XP BUFFER SPRING IN HARD TUBE
AR 308 M4 EXTENSION TUBE XP BUFFER SPRING

SPRINCO USA

In stock

£36.90 *

The Orange buffer spring is designed for heavy caliber applications such as .308, 6.5 CM, and .260 Rem in AR-10 pattern rifles with standard 7" M4 extension tubes.
It is suitable for carbine platforms with a robust gas system, particularly in 16” - 18” ML gas carbine platforms with heavy BCGs.
This spring is also effective for tuning over-gassed carbines and can be used in AR-10 tubes with 3.25" buffers or with lesser calibers like 5.56.

SPRINCO USA M4 CARBINE BUFFER SPRING
M4 CARBINE CS STANDARD SPRING KITS

SPRINCO USA

In stock

£36.90 * £36.90 - £39.90*

Standard Power Buffer Spring matches new Mil-Spec M4 Carbine Spring load.
Reliable performance in 5.56 Carbines without frequent replacement needs.
Ideal for maintaining "fresh" Mil-Spec spring performance without seeking upgrades.

SPRINCO USA WALTHER PPQ TSK COMPETITION TRIGGER KIT
WALTHER PPQ TSK COMPETITION TRIGGER KIT

SPRINCO USA

In stock

£29.90 *

Recoil Springs

SPRINCO USA ENHANCED SUPER DUTY EJECTOR SPRING- STANDARD POWER
AR-15 ENHANCED SUPER DUTY EJECTOR SPRING

SPRINCO USA

In stock

£11.90 * £11.90 - £19.90*

Ejector Springs

Sprinco's Ejector Springs are crafted from heat-treated, stress-relieved chrome silicon wirestock with additional cryogenic processing for durability.
The springs are coated with a re-micronized molybdenum disulfide formulation for enhanced performance.
These ejector springs are designed to withstand temperatures up to 750ºF and maintain performance over an extreme length duty cycle.

SPRINCO USA AR .308 BUFFER SPRING
M4/CAR-15 EXTRA POWER CARBINE BUFFER SPRING

SPRINCO USA

In stock

£36.90 *

The Sprinco USA Extra Power Buffer Spring is designed to improve M4 carbine reliability and was first developed in 2006 for a Force Modernization Team.
The Red spring's design load is approximately 25% greater than the White spring, enhancing performance for specific ammunition types.
It is suitable for a variety of calibers including 9mm, 6.8 SPC, 6.5 Grendel, and others, but compatibility may vary based on individual firearm specifications and ammunition loads.

SPRINCO USA AR-15 30-ROUND MAGAZINE SPRING, FLAT WIRE 3-PK
AR-15 30-ROUND MAGAZINE SPRINGS

SPRINCO USA

In stock

£38.90 * £18.90 - £38.90*

Magazine Springs

Flat wire design allows for indefinite storage of 30-round AR-15 magazines at full capacity without spring fatigue.
Compatible with most magazine bodies and anti-tilt followers, including USGI, Magpul, Lancer, and Hexmag, with a few exceptions.
Made from 17-7 stainless Mil-Spec wire, these springs ensure uniform feed rates and improved support to the top rounds, while being easier to load.

SPRINCO USA ENHANCED 4-COIL BOLT CARRIER EXTRACTOR CS SPRING
M16/M4 ENHANCED CARRIER EXTRACTORS

SPRINCO USA

In stock

£9.90 * £9.90 - £19.90*

Extractor Springs

Sprinco's Extractor Springs are heat treated and cryo processed for durability, can handle heat up to 750°F, and are plated with molybdenum disulfide for enhanced performance.
The 5-Coil spring is suitable for all 5.56 BBL lengths but may be too strong for 18"+ BBL rifles or bolts with tight tolerances, while the 4-Coil is recommended for extended duty in 18"+ BBLs.
These springs are designed for longevity, potentially lasting the lifetime of the bolt, and the .308 extractor springs can be used with or without CRANE O-rings.

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