Grovtec Hammer Extension
13 different hammer extensions to fit your firearm with an exposed hammer after you mount a scope.
Note: Due to the varying dimensions of hammers, minor fitting may be required.
PART # | FIREARMS FIT | Hammer Slot Dimensions (W x H) |
GTHM68 | Winchester 94s and Big Bore 94s including angle-eject (except 94/22) and Ithaca X-caliber | 0.360" x 0.139" |
GTHM69 | Winchester 94/22 | 0.315" x 0.125" |
GTHM70 | Marlin Lever Actions 1957-1982 | 0.320" x 0.094" |
GTHM71 | Browning BL-22, Astra 357 | 0.365" x 0.235" |
GTHM72 | Ruger Blackhawk, H&R Topper, New England Firearms Handi Rifle | 0.315" x 0.238" |
GTHM73 | Browning BLR 1981-1991. Does not fit 1992 & later models. Not for use on folding hammers. Ithaca Tikka 12-70 over/under. | 0.555" x 0.190" |
GTHM74 | All Marlin Lever Actions made in 1983 & later including 39A, 39M, 1894, 1894C, 1895S, 336C, 336T, 375, 444S, Glenfield 30A | 0.375" x 0.094" |
GTHM79 | T/C Contender and S&W Model 29 (DOES NOT FIT T/C G2 Contender) | 0.500" x 0.190" |
GTHM277 | Henry Big Boy, Pre 2010 models | 0.300" x 0.187" |
GTHM283 | Henry Single Shot, Henry Big Boy Centerfire Rifles, Post 2010 models | 0.306" x 0.109" |
GTHM284 | Henry 22 Pump and Lever Action rimfire rifles & Rossi 92/22 | 0.355" x 0.160" |
GTHM285 | Browning BLR 1992 -1995 Not for use on folding hammers. | 0.630" x 0.208" |
GTHM308 | Model 36 Marlin (1936-1947) and Marlin 336 (1948-1956) | 0.285" x 0.159" |
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