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Sprinco USA

Sprinco USA Rifle Parts
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Sprinco USA Products

1 - 20 of 25 results

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SPRINCO USA

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

Hammer Springs

In stock

£11.90

SPRINCO USA

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

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.

In stock

£36.90 £36.90 - £39.90

Upgrade your firearm with Sprinco's AR .308 Enhanced Super Duty Ejector Springs! 🔧 Durable, heat-resistant, and reliable performance for every shot.

SPRINCO USA

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

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.

In stock

£9.90 £9.90 - £22.90

SPRINCO USA

SPRINCO USA PROG. RECOIL SPRING 18LB.
1911 PROGRESSIVE RECOIL SPRING

Recoil Springs

In stock

£14.90

SPRINCO USA

SPRINCO USA SPRING KIT-BUFFER ENHANCED 4-COIL BOLT EXTRACTOR SPRING
M4 CARBINE CS INTERMEDIATE SPRING KITS

The Hot White spring was an accidental production between White and Blue spring loads, offering an intermediate power buffer spring.
After customer feedback, the Hot White spring became a preferred solution for those seeking a performance balance between White and Blue springs.
This intermediate spring is also a suitable enhancement for users who typically opt for Mil-Spec carbine springs.

In stock

£34.90 £34.90 - £39.90

SPRINCO USA

SPRINCO USA SPRING KIT-STD BUFFER & HD 5-COIL BOLT EXTRACTOR SPRING
M4 CARBINE CS STANDARD SPRING KITS

The spring is designed to match the performance of a new Mil-Spec M4 Carbine Spring for reliable operation in any 5.56 Carbine.
It is ideal for those who want to maintain "fresh" Mil-Spec spring performance without frequent replacements.
SPRINCO USA's spring is a suitable option for shooters who prefer not to upgrade but desire consistent, long-term reliability.

In stock

£39.90 £36.90 - £39.90

Upgrade your AR-15 with Sprinco's Enhanced Super Duty Ejector Spring! 🔧 Durable, heat-resistant, and designed for peak performance.

SPRINCO USA

SPRINCO USA ENHANCED SUPER DUTY EJECTOR SPRING- STANDARD POWER 3PK
AR-15 ENHANCED SUPER DUTY EJECTOR SPRING

Ejector Springs

Sprinco’s Ejector Springs are heat treated, stress relieved, and cryogenically processed for durability.
These springs are plated with a molybdenum disulfide formulation for enhanced performance.
Designed to match the loads of new Mil-Spec springs and can withstand heat up to 750ºF while maintaining their performance specifications.

In stock

£19.90 £11.90 - £19.90

SPRINCO USA

SPRINCO USA REDUCED POWER KIT BUFFER XP 5-COIL BOLT EXTRACTOR SPRING
M4 CARBINE CS REDUCED POWER SPRING KITS

Sprinco USA's Reduced Power Buffer Spring, known as the Yellow spring, is about 20% lighter than the White spring.
The Yellow spring was developed through collaboration with ammunition manufacturers and gunsmiths and was the preferred choice out of four samples.
For guns requiring a lighter spring, it is recommended to enlarge the gas port for improved reliability, and the Yellow spring is suitable for low power training rounds.

In stock

£39.90 £36.90 - £39.90

SPRINCO USA

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

Recoil Springs

In stock

£29.90

SPRINCO USA

SPRINCO USA SPRING KIT-XP BUFFER &ENHANCED 4COIL BOLT EXTRACTOR SPRING
M4 CARBINE/6.8 CS SPRING KIT

The Red extra power buffer spring is designed to enhance M4 carbine reliability, especially for operations in Eastern Asia.
It has a 25% higher load capacity than the White spring, making it suitable for various calibers including 9mm, 6.8 SPC, and more.
Before using, refer to tuning procedure documents, and note that performance may vary based on specific gun models and ammunition loads.

Reordered

£39.90

SPRINCO USA

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

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.

Reordered

£36.90 £36.90 - £39.90

SPRINCO USA

SPRINCO USA AR-15 BOLT RING / GAS RING 3PK
AR-15 BOLT & GAS RINGS

Gas Rings

Reordered

£8.90 £8.90 - £15.90

Upgrade your rifle with Sprinco's M16/M4 Extractor Spring Kit! 💪 Experience enhanced reliability and performance for all 5.56 BBL lengths.

SPRINCO USA

SPRINCO USA UPGRADE KIT- XP 5-COIL EXTRACTOR SPRING, INSERT, O-RING
M16/M4 EXTRACTOR SPRING UPGRADE KITS

Extractor Springs

SPRINCO USA's XP 5-Coil extractor spring has a heavier load than OEM springs, eliminating the need for additional rings.
The enhanced 4-Coil springs are suitable for 18"+ barrel rifles, especially for those who reload, while the 5-Coil is reliable for all 5.56 barrel lengths.
The springs withstand extreme duty cycles and heat up to 750°F, with the .308 variant being suitable for DPMS G2 Bolts in full-auto use.

Reordered

£12.90 £12.90 - £23.90

SPRINCO USA

SPRINCO USA AR .308 BOLT RING/GAS RING 3-PK
AR .308 BOLT & GAS RINGS

Gas Rings

Reordered

£9.90 £9.90 - £16.90

SPRINCO USA

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

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.

Reordered

£36.90

SPRINCO USA

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

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.

Reordered

£36.90

Upgrade your AR-15 with Sprinco's 30-Round Magazine Springs! ✨ Enjoy reliable performance and easy loading for your go-to mags.

SPRINCO USA

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

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.

Reordered

£38.90 £18.90 - £38.90

Upgrade your M16/M4 with Sprinco's Enhanced Extractor Springs for reliability and performance. 🔧 Perfect for 18"+ barrels!

SPRINCO USA

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

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.

Reordered

£9.90 £9.90 - £19.90

SPRINCO USA

SPRINCO USA INNER EXTRACTOR SPRING-FOR XP 5-COIL EXTRACTOR SPRING
AR .308 INNER EXTRACTOR SPRING

Extractor Springs

The XP 5-Coil spring is stronger than OEM springs, eliminating the need for a D-Fender™ ring or CRANE Viton O-Rings.
Enhanced 4-Coil springs are ideal for 18"+ barrel lengths and those who reload, while the 5-Coil may be too strong for certain bolts or long barrels.
The springs maintain performance even under extreme duty cycles and temperatures up to 750°F, and the dual spring .308 set can be used with or without CRANE O-rings.

Reordered

£11.90

SPRINCO USA

SPRINCO USA SPRING KIT- XP BUFFER SPRING W/ DUAL EXTRACTOR SPRING SET
AR .308 PATTERN CARBINE CS SPRING KIT

The AR .308 Pattern Carbine CS Spring Kit by Sprinco USA is designed to address M4 carbine reliability issues, especially for operations in Eastern Asia.
The Red spring in the kit has approximately 25% greater load capacity than the White spring, enhancing performance for various calibers.
Users should refer to tuning procedure reference documents before seeking recommendations for the spring's use with specific firearms and ammunition loads.

Reordered

£42.90

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