Silverback

TAC 41 Feeding Ramp Parts (2nd Gen)

APS 13 mm, 100 Newtons spring


This spring is following the “APS 13 mm standard” (for 9 mm outside diameter spring guide). It will fit any rifle compatible with this standard, including all SRS (except push mechanism) and all TAC-41. While being compres

CNC Steel version of the variable mass piston body, for extreme mass configuration (55.1 grams instead of 19.0 grams for the aluminium version).


Compatible with:



– original SRS piston (SBA-BPS-13)

– original TAC-41 piston (SBA-BPS-30)

SRS Twisted Stainless Steel Cylinder

Fully CNC steel QD attachment point for SRS handguards (Covert and long) with dark grey phosphating finish. This attachement point allows you to fix your QD sling at the desired position on your handguard. 2 x M4x12 included.

MDRX Feeding Tube

MDRX - Two Tone

MDRX -Black